TY  - JOUR
AU  - Ch. K. Gupta
AU  - E. I. Timoshenko
TI  - Primitive systems of elements in the varieties $A_mA_n$: a
JO  - Algebra i logika
PY  - 1999
SP  - 513
EP  - 530
VL  - 38
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1999_38_5_a0/
LA  - ru
ID  - AL_1999_38_5_a0
ER  -