TY  - JOUR
AU  - Schwarz, Štefan
TI  - On dual semigroups
JO  - Czechoslovak Mathematical Journal
PY  - 1960
SP  - 201
EP  - 230
VL  - 10
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100404/
DO  - 10.21136/CMJ.1960.100404
LA  - en
ID  - 10_21136_CMJ_1960_100404
ER  -