Broken Identifier

arXiv:2605.20650 · detector doi_compliance · incontrovertible · 2026-05-21 04:24:10.419014+00:00

critical doi_compliance broken_identifier

DOI '10.1142/3302' as printed in the bibliography is syntactically invalid and cannot resolve.

Paper page Integrity report arXiv Try DOI

Evidence text

Lieberman, Gary M. , date-added =. Second order parabolic differential equations , url =. 1996 , bdsk-url-1 =. doi:10.1142/3302 , isbn =

Evidence payload

{
  "doi_as_printed": "10.1142/3302",
  "raw_excerpt": "Lieberman, Gary M. , date-added =. Second order parabolic differential equations , url =. 1996 , bdsk-url-1 =. doi:10.1142/3302 , isbn =",
  "ref_index": 58,
  "verdict_class": "incontrovertible"
}