TY - JOUR AU - I. M. Gel'fand TI - Integral geometry and its relation to the theory of group representations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1960 SP - 143 EP - 151 VL - 15 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1960_15_2_a3/ LA - en ID - RM_1960_15_2_a3 ER -