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@article{DE_1977_13_3_a20, author = {B. S. Kalitin}, title = {Complete controllability of linear systems with variable structure}, journal = {Differencialʹnye uravneni\^a}, pages = {556--558}, publisher = {mathdoc}, volume = {13}, number = {3}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_3_a20/} }
B. S. Kalitin. Complete controllability of linear systems with variable structure. Differencialʹnye uravneniâ, Tome 13 (1977) no. 3, pp. 556-558. http://geodesic.mathdoc.fr/item/DE_1977_13_3_a20/