TY - JOUR AU - A. P. Buslaev AU - V. M. Tikhomirov TI - Some problems of nonlinear analysis and approximation theory JO - Doklady Akademii Nauk PY - 1985 SP - 13 EP - 18 VL - 283 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_283_1_a1/ LA - ru ID - DAN_1985_283_1_a1 ER -