Broken Identifier

arXiv:2605.18585 · detector doi_compliance · incontrovertible · 2026-05-20 08:42:01.001078+00:00

critical doi_compliance broken_identifier

DOI '10.1142/0906' as printed in the bibliography is syntactically invalid and cannot resolve.

Paper page Integrity report arXiv Try DOI

Evidence text

V. Lakshmikantham and D. D. Bainov and P. S. Simeonov , title =. doi:10.1142/0906 , publisher =

Evidence payload

{
  "doi_as_printed": "10.1142/0906",
  "raw_excerpt": "V. Lakshmikantham and D. D. Bainov and P. S. Simeonov , title =. doi:10.1142/0906 , publisher =",
  "ref_index": 27,
  "verdict_class": "incontrovertible"
}