TY - JOUR AU - Bartholdi, Laurent AU - Grigorchuk, Rostislav TI - On Parabolic Subgroups and Hecke Algebras of some Fractal Groups JO - Serdica Mathematical Journal PY - 2002 SP - 47 EP - 90 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2002_28_1_a2/ LA - en ID - SMJ2_2002_28_1_a2 ER -