TY  - JOUR
AU  - L. P. Lisovik
TI  - Quasirelations in a free group and problems of the equivalence
JO  - Algebra i logika
PY  - 1986
SP  - 51
EP  - 86
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1986_25_1_a1/
LA  - ru
ID  - AL_1986_25_1_a1
ER  -