%0 Journal Article %A N. P. Khomenko %T The method of $\varphi $-transformations and some of its applications in graph theory %J Informatics and Automation %D 1983 %P 275-283 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1983_154_a29/ %G ru %F TRSPY_1983_154_a29