%0 Journal Article
%A Híc, Pavol
%T On partially directed $P$-graphs
%J Mathematica slovaca
%D 1984
%P 25-34
%V 34
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1984__34_1_a1/
%G en
%F MASLO_1984__34_1_a1