TY - JOUR AU - I. I. Golichev AU - R. L. Lookmanov TI - A~method for the expansion of a~function of an operator in some problems of optimal control JO - Matematičeskie zametki PY - 1990 SP - 17 EP - 25 VL - 47 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_47_4_a2/ LA - ru ID - MZM_1990_47_4_a2 ER -