TY  - JOUR
AU  - R. I. Grigorchuk
TI  - On the Hilbert–Poincaré series of graded algebras associated with groups
JO  - Sbornik. Mathematics
PY  - 1990
SP  - 211
EP  - 229
VL  - 66
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/SM_1990_66_1_a11/
LA  - en
ID  - SM_1990_66_1_a11
ER  -