TY - JOUR AU - G. B. Savchenko TI - Well-posedness of a nonlocal boundary value problem JO - Differencialʹnye uravneniâ PY - 1985 SP - 1450 EP - 1453 VL - 21 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_8_a24/ LA - ru ID - DE_1985_21_8_a24 ER -