Unresolvable Identifier

arXiv:2604.20282 · detector doi_compliance · cross_source · 2026-05-20 02:07:16.267610+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0045-7825(95)00736-4' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

F. Ihlenburg, I. Babuška, Dispersion analysis and erro r estimation of Galerkin ﬁnite element methods for the Helmholtz equation, Computer Methods in Applied Mec hanics and Engineering 128 (3–4) (1995) 363–380. doi:10.1016/0045-7825(95)00736-4

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0045-7825(95)00736-4",
  "raw_excerpt": "F. Ihlenburg, I. Babu\u0161ka, Dispersion analysis and erro r estimation of Galerkin \ufb01nite element methods for the Helmholtz equation, Computer Methods in Applied Mec hanics and Engineering 128 (3\u20134) (1995) 363\u2013380. doi:10.1016/0045-7825(95)00736-4",
  "ref_index": 11,
  "verdict_class": "cross_source"
}