TY - JOUR AU - V. A. Srochko TI - The quadratic phase approximation method for solving optimal control problems JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1993 SP - 81 EP - 88 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1993_12_a8/ LA - ru ID - IVM_1993_12_a8 ER -