TY  - JOUR
AU  - V. É. Shpil'rain
TI  - Some applications of free differential calculus in group theory
JO  - Matematičeskie zametki
PY  - 1991
SP  - 156
EP  - 157
VL  - 49
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1991_49_3_a24/
LA  - ru
ID  - MZM_1991_49_3_a24
ER  -