TY - JOUR AU - G. A. Margulis TI - The isometry of closed manifolds of constant negative curvature with the same fundamental group JO - Doklady Akademii Nauk PY - 1970 SP - 736 EP - 737 VL - 192 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_192_4_a7/ LA - ru ID - DAN_1970_192_4_a7 ER -