TY  - JOUR
AU  - Ježek, Jaroslav
TI  - Varieties of algebras with equationally definable zeros
JO  - Czechoslovak Mathematical Journal
PY  - 1977
SP  - 394
EP  - 414
VL  - 27
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101477/
DO  - 10.21136/CMJ.1977.101477
LA  - en
ID  - 10_21136_CMJ_1977_101477
ER  -