TY - JOUR AU - V. N. Gorbatenko TI - $F$-Convex functions, their properties and applications to the solution of extremal problems JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1975 SP - 860 EP - 868 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1975_15_4_a3/ LA - ru ID - ZVMMF_1975_15_4_a3 ER -