TY  - JOUR
AU  - A. P. Zamyatin
TI  - Prevarieties of semigroups whose elementary theory is decidable
JO  - Algebra i logika
PY  - 1973
SP  - 417
EP  - 432
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1973_12_4_a1/
LA  - ru
ID  - AL_1973_12_4_a1
ER  -