TY  - JOUR
AU  - A. I. Budkin
TI  - Quasi-identities in a free group
JO  - Algebra i logika
PY  - 1976
SP  - 39
EP  - 52
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1976_15_1_a3/
LA  - ru
ID  - AL_1976_15_1_a3
ER  -