\RBibitem{Gur92} \by В.~А.~Гурвич \paper Перенумерованные графы и~их билинейные формы \jour УМН \yr 1992 \vol 47 \issue 4(286) \pages 189--190 \mathnet{http://mi.mathnet.ru/rm4547} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1208889} \zmath{https://zbmath.org/?q=an:0791.05097} \adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?1992RuMaS..47Q.206G} \transl \jour Russian Math. Surveys \yr 1992 \vol 47 \issue 4 \pages 206--207 \crossref{https://doi.org/10.1070/RM1992v047n04ABEH000921} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1992LK51700007}