TY  - JOUR
AU  - A. P. Zamyatin
TI  - A nonabelian variety of groups has an undecidable elementary
JO  - Algebra i logika
PY  - 1978
SP  - 20
EP  - 27
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1978_17_1_a1/
LA  - ru
ID  - AL_1978_17_1_a1
ER  -