TY - JOUR AU - I. L. Kantor AU - A. I. Sirota AU - A. S. Solodovnikov TI - A class of symmetric spaces with an extensible group of motions and a generalization of the Poincar\'e model JO - Doklady Akademii Nauk PY - 1967 SP - 511 EP - 514 VL - 173 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_173_3_a6/ LA - ru ID - DAN_1967_173_3_a6 ER -