TY  - JOUR
AU  - Ch. K. Gupta
AU  - E. I. Timoshenko
TI  - Test Rank for Some Free Polynilpotent Groups
JO  - Algebra i logika
PY  - 2003
SP  - 37
EP  - 50
VL  - 42
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2003_42_1_a2/
LA  - ru
ID  - AL_2003_42_1_a2
ER  -