%0 Journal Article
%A Z. Majcher
%T On k-closure operators in graphs. II
%J Colloquium Mathematicum
%D 1981
%P 145-154
%V 45
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-45-1-145-154/
%R 10.4064/cm-45-1-145-154
%G en
%F 10_4064_cm_45_1_145_154