%0 Journal Article
%A V. A. Perepelitsa
%T Two problems from graph theory
%J Doklady Akademii Nauk
%D 1970
%P 1269-1272
%V 194
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_194_6_a6/
%G ru
%F DAN_1970_194_6_a6