%0 Journal Article
%A Schiermeyer, Ingo
%T Problems remaining NP-complete for sparse or dense graphs
%J Discussiones Mathematicae. Graph Theory
%D 1995
%P 33-41
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGT_1995_15_1_a3/
%G en
%F DMGT_1995_15_1_a3