URN:NBN:SI:DOC-D3NYGZDH2026Chen, YaojunGao, WeiWang, Weifandocuments/doc/D/URN_NBN_SI_doc-D3NYGZDH_001.pdfdocuments/doc/D/URN_NBN_SI_doc-D3NYGZDH_001.txtdocuments/doc/D/URN_NBN_SI_doc-D3NYGZDH_002.pdfdocuments/doc/D/URN_NBN_SI_doc-D3NYGZDH_002.txt1, article p1.0426articlestr. 1-2310.26493/1855-3974.3161.63b1855-3974288347907URN:NBN:SI:doc-D3NYGZDHengUniverza na PrimorskemArs mathematica contemporaneaBYdelni k-faktorfractional k-factorgrafgraphtoughnesstoughness varianttrdnostvarianta trdnostiTight toughness variant condition for fractional k-factors