TY  - JOUR
AU  - R. I. Grigorchuk
TI  - On the growth degrees of $p$-groups and torsion-free groups
JO  - Sbornik. Mathematics
PY  - 1986
SP  - 185
EP  - 205
VL  - 54
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1986_54_1_a9/
LA  - en
ID  - SM_1986_54_1_a9
ER  -