TY - JOUR AU - A. T. Taldykin AU - E. A. Isakova TI - The method of two systems of functions in boundary value problems JO - Differencialʹnye uravneniâ PY - 1985 SP - 1362 EP - 1368 VL - 21 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_8_a9/ LA - ru ID - DE_1985_21_8_a9 ER -