TY - JOUR AU - V. E. Gal'perin TI - Estimates of the deviation of quasi-isometric mappings of Riemannian homogeneous spaces from isometric mappings in the class $W_p^1$ JO - Doklady Akademii Nauk PY - 1978 SP - 509 EP - 511 VL - 240 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_240_3_a1/ LA - ru ID - DAN_1978_240_3_a1 ER -