%0 Journal Article
%A Semanišin, Gabriel
%T On some variations of extremal graph problems
%J Discussiones Mathematicae. Graph Theory
%D 1997
%P 67-76
%V 17
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGT_1997_17_1_a2/
%G en
%F DMGT_1997_17_1_a2