TY - JOUR AU - Yu. A. Neretin TI - Sphericity and multiplication of double cosets for infinite-dimensional classical groups JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2011 SP - 79 EP - 96 VL - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2011_45_3_a6/ LA - ru ID - FAA_2011_45_3_a6 ER -