TY - JOUR AU - V. N. Sushch TI - Control in nonlocal boundary value problems JO - Differencialʹnye uravneniâ PY - 1989 SP - 145 EP - 153 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_1_a16/ LA - ru ID - DE_1989_25_1_a16 ER -