TY  - JOUR
AU  - V. L. Stefanyuk
TI  - A~theorem on $M$-matrices and its extensions
JO  - Matematičeskie zametki
PY  - 1973
SP  - 235
EP  - 246
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1973_13_2_a7/
LA  - ru
ID  - MZM_1973_13_2_a7
ER  -