Broken Identifier
critical
doi_compliance
broken_identifier
DOI '10.1142/4657' as printed in the bibliography is syntactically invalid and cannot resolve.
Paper page Integrity report arXiv Try DOI
Evidence text
Very high energy cosmic gamma radiation : a crucial window on the extreme Universe. doi:10.1142/4657 , adsurl =
Evidence payload
{
"doi_as_printed": "10.1142/4657",
"raw_excerpt": "Very high energy cosmic gamma radiation : a crucial window on the extreme Universe. doi:10.1142/4657 , adsurl =",
"ref_index": 39,
"verdict_class": "incontrovertible"
}