%0 Journal Article %A A. V. Lotov %T On the concept and construction of generalized accessibility sets for linear controllable systems described by partial differential equations %J Doklady Akademii Nauk %D 1981 %P 297-300 %V 261 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_2_a9/ %G ru %F DAN_1981_261_2_a9