Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:19:17.300782Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 61 of 61 outbound references and 1 inbound Pith citation observation for arXiv:1908.09361.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:19:17.300782Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:19:17.270102Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-14T11:19:17.341038Z
61 of 61 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 39e27f8b-edb5-4d61-9341-5fcf5803c7c4 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation dc874240-30e0-49d3-9f52-8cbf6c1a67cb · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fc007c4b-b550-4707-b948-ca8f750a9939 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 12f62fdb-eed3-4d61-9181-543630acea23 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Alspach, D
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 762bee8f-12dd-4f1f-8072-b62c9272b04f · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Bosma, J
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 17a64ac6-7bdd-400f-a290-f45e95171917 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 253a5a87-f915-4311-a6c9-dff86cae3872 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7f900b51-2043-4d32-9d46-2db83e3c8f82 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Cheng and L
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7ccf3081-79ab-40c1-9f22-424c1c3bea25 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d47828b4-7802-414b-83ce-fa4aa3513d42 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Conder, P
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 570816dd-35d3-4ef9-b3c0-eaa5241d99e0 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c5d5810d-7c2d-4b70-a8f6-7bd066b197ac · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 43c2b947-71bc-4562-b755-21d831e1b10c · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 339f5b75-5a97-4651-b844-bba977096f55 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Dˇ zambi´ c and G
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 44c6bec8-a379-43f2-9d33-1b77baff4c9f · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Delorme, Cayley digraphs and graphs, European J
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2fb9a3f5-0704-4fbb-bf87-464f18e0e3e0 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation eda7ecde-5074-479a-830a-c2ca21caa61c · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ee26619d-3c9a-477e-9b5b-e1a7bf0a3aed · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9190025d-4f33-415f-8e9e-ed8e80d65c3c · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Feng, Z.-P
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c780c9a1-a86f-4293-881a-f8a719eac2b0 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bc161f19-37fd-4c8d-ae68-71d2233164c4 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Gardiner and C
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 731e1ddd-8763-4cac-9f19-cbdb31ad6535 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 10d94766-94aa-4c14-9c10-a88b58b1892e · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 140299f3-71fe-4fcd-94bb-da1b5dbae9cf · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Giudici and B
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c78cb9b4-7ed7-4476-ac57-e78d05b1ef8f · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 52954444-a140-4857-9f0d-24d7fcace236 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 786762a1-6779-42bf-95e9-51597d1cdcfa · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Guralnick and K
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 59db003d-8a94-4533-8486-07de390b925a · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Jajcay, ˇS
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b234dc1c-3936-445a-a5d5-5bf95f61ead8 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0e4c079e-8fa3-4f29-a279-bb0e42f8468b · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 3b12555d-fd8d-475a-a14e-95b8e26668ee · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9e381def-eb86-48cc-902a-e65ccce330fc · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Malniˇ c and D
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bb39cf10-c9a7-4e4b-9aa6-35a6dd5467ac · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c, Recent developments in half-transitive graphs, Discrete Math
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f4052f65-075c-4296-93d6-f999da5e27e7 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c, Half-transitive group actions on finite graphs of valency 4, J
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8d6ccec4-d9a1-4631-b75b-2ba0c3dded0d · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c, Quartic half-arc-transitive graphs with large v ertex stabilizers, Discrete Math
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0af9b01e-3af1-4001-8c67-ad0f63167eac · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c and R
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6fda8f8e-bddb-4c9a-a799-919c2e803130 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c and R
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a2e8583a-4cf7-48c1-b7dd-8dfaf61d3cfe · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c and C
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation eabb604c-37ca-4767-91eb-963840ea2e92 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c and A
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f152d316-616c-40e5-91ab-7ca4163c4842 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Maruˇ siˇ c and M.-Y
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9623a129-b651-4d60-9a78-cc6679856e6c · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b91442c3-7232-451a-bef5-7130604cb899 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Potoˇ cnik and R
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c593c899-5ecc-48a8-b0b4-86fe15763e26 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Potoˇ cnik and P
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7a497dfd-cc9c-41d7-a8ab-99163da372f8 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Potoˇ cnik and P
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c8f2e0fa-66a1-4d7b-bc35-a1a4608ffee8 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Ramos Rivera and P
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 57f1a494-c6ee-4c64-aa08-9c40e82f5cd4 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Ramos Rivera and P
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 11941357-beb0-4b5c-b53d-d539f24f05ef · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers ˇSajna, Half-transitivity of some metacirculants, Discrete Math
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4f6ec2dc-7b49-4590-b1a7-599b864ae465 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers ˇSparl, A classification of tightly attached half-arc-transitive grap hs of valency 4, J
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d09fcc23-9258-4a10-a513-9582a4c77b74 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Spiga, Constructing half-arc-transitive graphs of valency four with prescribed vertex stabilizers, Graphs Combin
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 03dbb8ba-efc6-418f-a470-25b7c3bf8ba1 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Spiga, Cubic graphical regular representations of finite non -abelian simple groups, Comm
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fd0e4dd8-489c-4124-b4d6-82e585a7c31c · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Spiga and G
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2d402e07-8220-459d-86f4-680a690f7029 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Constructing infinitely many half-arc-transitive covers of tetravalent graphs
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e16d0bf9-b6f3-4ac6-af73-584f46ff80fc · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bd1d6ce7-7a63-4019-b65f-f30fc7844e88 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Wang and Y.-Q
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 1c866ac9-785a-441f-a5a0-9ad3dca8c0fe · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 81fd107a-43cf-4550-ad28-7e00157234e0 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Xu and S
Reference 56
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d5ee1b2b-455b-4af7-a91c-87f572505e77 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation de7f4bae-3f8c-4430-9942-00f4aa33b6dc · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Unresolved cited work
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4b081b89-e602-4ce5-b46b-332fd29127ce · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Zhang and X
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7e21b1c9-c065-42f2-ace9-b19c0de32ba7 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Zhang and J
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5523c727-2945-4f8d-acf9-364d1c177c88 · outbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Zhou and Y.-Q
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 1c866ac9-785a-441f-a5a0-9ad3dca8c0fe · inbound
Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers Tetravalent half-arc-transitive graphs with unbounded nonabelian vertex stabilizers
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.