TY - JOUR AU - M. I. Zelikin AU - V. F. Borisov TI - Synthesis in problems of optimal control containing trajectories with participating switchings and singular trajectories of the second order JO - Matematičeskie zametki PY - 1990 SP - 62 EP - 73 VL - 47 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1990_47_1_a5/ LA - ru ID - MZM_1990_47_1_a5 ER -