TY - JOUR AU - A. V. Chernov TI - On convexity local conditions for attainable tubes of controlled distributed systems JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2014 SP - 72 EP - 86 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2014_11_a7/ LA - ru ID - IVM_2014_11_a7 ER -