TY  - JOUR
AU  - Ryszard Szwarc
TI  - The ratio and generating function of cogrowth coefficients of finitely generated groups
JO  - Studia Mathematica
PY  - 1998
SP  - 89
EP  - 94
VL  - 131
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-131-1-89-94/
DO  - 10.4064/sm-131-1-89-94
LA  - en
ID  - 10_4064_sm_131_1_89_94
ER  -