TY - JOUR AU - A. Selberg TI - Recent developments in the theory of discontinuous groups of motions of symmetric spaces JO - Matematika PY - 1972 SP - 72 EP - 89 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAT_1972_16_4_a2/ LA - ru ID - MAT_1972_16_4_a2 ER -