%0 Journal Article
%A Blažek, Jaroslav
%A Koman, Milan
%T On an extremal problem concerning graphs (Preliminary communication)
%J Commentationes Mathematicae Universitatis Carolinae
%D 1967
%P 49-52
%V 08
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1967__8_1_a4/
%G en
%F CMUC_1967__8_1_a4