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@article{DAN_1977_236_5_a11, author = {V. M. Marchenko}, title = {On the controllability of linear systems with aftereffect}, journal = {Doklady Akademii Nauk}, pages = {1083--1086}, publisher = {mathdoc}, volume = {236}, number = {5}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_5_a11/} }
V. M. Marchenko. On the controllability of linear systems with aftereffect. Doklady Akademii Nauk, Tome 236 (1977) no. 5, pp. 1083-1086. http://geodesic.mathdoc.fr/item/DAN_1977_236_5_a11/