TY  - JOUR
AU  - Ježek, Jaroslav
AU  - Newrly, Norbert
AU  - Tůma, Jiří
TI  - Remarks on equational theories of semilattices with operators
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1990
SP  - 415
EP  - 425
VL  - 31
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1990__31_3_a2/
LA  - en
ID  - CMUC_1990__31_3_a2
ER  -