TY  - JOUR
AU  - Trnková, Věra
TI  - Productive representations of semigroups by pairs of structures
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1977
SP  - 383
EP  - 391
VL  - 18
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1977__18_2_a15/
LA  - en
ID  - CMUC_1977__18_2_a15
ER  -