%0 Journal Article
%A Hans Schneider
%A D.J. Richman
%T On the singular graph and the Weyr characteristic of an M-matrix.
%J Aequationes mathematicae
%D 1978
%P 208-234
%V 17
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1978__17_136741/
%F AM2_1978__17_136741