TY  - JOUR
AU  - A.L. DULMAGE
AU  - N.S. MENDELSOHN
TI  - Some Graphical Properties of Matrices with Non-Negative Entries (Short Communication)
JO  - Aequationes mathematicae
PY  - 1969
SP  - 134
EP  - 136
VL  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1969__2_182318/
ID  - AM2_1969__2_182318
ER  -