%0 Journal Article
%A A.L. DULMAGE
%A N.S. MENDELSOHN
%T Some Graphical Properties of Matrices with Non-Negative Entries (Short Communication)
%J Aequationes mathematicae
%D 1969
%P 134-136
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1969__2_182318/
%F AM2_1969__2_182318