URN:NBN:SI:doc-910J6R1J2014Dolinar, GregorGuterman, Aleksandr EmilevičKuzma, BojanOblak, Polonadocuments/doc/9/URN_NBN_SI_doc-910J6R1J_001.pdfdocuments/doc/9/URN_NBN_SI_doc-910J6R1J_001.txt27articlestr. 453-459168684411855-3966URN:NBN:SI:doc-910J6R1JengDruštvo matematikov, fizikov in astronomov SlovenijeArs mathematica contemporaneaBYcentralizatorjicentralizercommuting graphgrafi komutativnostimatrični kolobarjimatrix ringCommuting graphs and extremal centralizers