TY - JOUR AU - A. T. Taldykin AU - E. A. Isakova TI - On obtaining the best approximations to the solution of boundary value problems JO - Differencialʹnye uravneniâ PY - 1994 SP - 346 EP - 349 VL - 30 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_2_a21/ LA - ru ID - DE_1994_30_2_a21 ER -