TY - JOUR AU - L. I. Minchenko TI - Sufficient optimality conditions for difference inclusions JO - Differencialʹnye uravneniâ PY - 1977 SP - 1320 EP - 1324 VL - 13 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_7_a19/ LA - ru ID - DE_1977_13_7_a19 ER -