TY  - JOUR
AU  - L. Bartholdi
AU  - R. I. Grigorchuk
TI  - On the Spectrum of Hecke Type Operators Related to Some Fractal Groups
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2000
SP  - 5
EP  - 45
VL  - 231
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_2000_231_a0/
LA  - en
ID  - TM_2000_231_a0
ER  -