TY  - JOUR
AU  - Schwarz, Štefan
TI  - A semigroup treatment of some theorems on non-negative matrices
JO  - Czechoslovak Mathematical Journal
PY  - 1965
SP  - 212
EP  - 229
VL  - 15
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1965.100663/
DO  - 10.21136/CMJ.1965.100663
LA  - en
ID  - 10_21136_CMJ_1965_100663
ER  -