TY - JOUR AU - E. R. Avakov AU - G. G. Magaril-Il'yaev TI - Generalized Needles and Second-Order Conditions in Optimal Control JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2019 SP - 15 EP - 31 VL - 304 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2019_304_a1/ LA - ru ID - TM_2019_304_a1 ER -