TY  - JOUR
AU  - Schwarz, Štefan
TI  - Subsemigroups of simple semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1963
SP  - 226
EP  - 239
VL  - 13
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1963.100564/
DO  - 10.21136/CMJ.1963.100564
LA  - en
ID  - 10_21136_CMJ_1963_100564
ER  -