TY  - JOUR
AU  - A. I. Mal'tsev
TI  - Several remarks on quasivarieties of algebraic systems
JO  - Algebra i logika
PY  - 1966
SP  - 3
EP  - 9
VL  - 5
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1966_5_3_a0/
LA  - ru
ID  - AL_1966_5_3_a0
ER  -