Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T15:32:47.570483Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 21 of 21 outbound references and 1 inbound Pith citation observation for arXiv:1908.01169.
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 2026-08-14T15:32:47.570483Z
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 2026-08-14T13:46:39.730302Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-14T13:46:39.934054Z
21 of 21 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 9ec7d502-64ec-42f7-9553-798b6cada7e7 · outbound
A car as parabolic geometry 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 91bc6da2-ee03-4167-b310-f27cb40060c7 · outbound
A car as parabolic geometry 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 4a4096f1-ee72-4447-8221-5af44e7abea1 · outbound
A car as parabolic geometry 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 e8e1f1ba-364d-44b0-9624-1e9ec6d3e550 · outbound
A car as parabolic geometry Cartan, (1893) Sur la structure des groupes simples finis et continus,C
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 6c4c0bf2-3cc6-4440-876c-394194ed2014 · outbound
A car as parabolic geometry Cartan, (1924) Sur les varietes a connection projective,Bull
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 01cb4e74-cd10-4432-8563-d034fe53276d · outbound
A car as parabolic geometry Cartan (1941) La geometria de las ecuaciones diferenciales de tercer ordenRev
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 227ccd2a-f08f-4bc4-8c59-8e9c2688167b · outbound
A car as parabolic geometry 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 75ddaae6-bb0c-45d8-8482-ee1a1cb1425a · outbound
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 81e4242d-092d-4d10-a3bb-788e8953ca18 · outbound
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c3bb2034-7a48-4873-9cfd-541e68ff685f · outbound
A car as parabolic geometry Engel, (1893) Sur un groupe simple a quatorze parametres,C
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 eaedab6d-c724-42cd-b24a-9db5a1bca913 · outbound
A car as parabolic geometry 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 24aa078e-cec4-49b0-a975-d220ea054e94 · outbound
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0affc1cd-eca5-4c2d-8558-bde70b5b82bb · outbound
A car as parabolic geometry Godliński, (2008)Geometry of third order ordinary differential equations and its applications in General Relativity, PhD thesis, Faculty of Physics, University of Warsaw
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 7f14aa5f-6628-4585-9e34-5c804fbefa22 · outbound
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5e3e2abd-39fd-419f-920b-f79750cbc6e0 · outbound
A car as parabolic geometry Gutt, Projective geometry of simple nonholonomic models, Colloquium at CFT PAS , 24 January 2014, https://www.youtube.com/watch?v=4LV3J_mPUAI
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 4cfca4d6-d969-4e8d-87c8-ceb8295f81ae · outbound
A car as parabolic geometry Helgason, Sophus Lie, the mathematician, InProceedings Sophus Lie Memorial Conference, Oslo 1992, O
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 494c46b6-ebce-4875-8c30-787ba65513c0 · outbound
A car as parabolic geometry 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 0a1890ee-8c9a-477d-8218-20683fa8169e · outbound
A car as parabolic geometry 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 ab887b91-278f-4b21-803b-cca6398394b1 · outbound
A car as parabolic geometry Pansu, (1989), Métriques de Carnot-Carathéodory et quasiisométries des espaces symétriques de rang un,Annals of Mathematics, Second Series,129 (1): 1 – 60
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 aa98b6c3-1591-4c7e-b8dd-0de3dacdcef3 · outbound
A car as parabolic geometry Penrose, (1967), Twistor algebra,J
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 50a7eb35-e8c6-4048-ade0-0827baf04f37 · outbound
A car as parabolic geometry (1990).Twistor Geometry and Field Theory(Cambridge Monographs on Mathematical Physics)
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 27b631bd-e13e-4d3b-9f75-db22e8f05aa0 · inbound
On certain classes of $Sp(2,R)$ symmetric $G_2$ structures A car as parabolic geometry
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.