TY - JOUR AU - A. Hulanicki TI - On the Spectrum of Convolution Operators on Groups with Polynomial Growth. JO - Inventiones mathematicae PY - 1972 SP - 135 EP - 142 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1972__17_142164/ ID - IM_1972__17_142164 ER -