TY - JOUR AU - A. V. Lotov TI - On the concept and construction of generalized accessibility sets for linear controllable systems described by partial differential equations JO - Doklady Akademii Nauk PY - 1981 SP - 297 EP - 300 VL - 261 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_261_2_a9/ LA - ru ID - DAN_1981_261_2_a9 ER -