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@article{DE_1983_19_2_a7, author = {E. L. Tonkov}, title = {The controllability set of a linear equation}, journal = {Differencialʹnye uravneni\^a}, pages = {269--278}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_2_a7/} }
E. L. Tonkov. The controllability set of a linear equation. Differencialʹnye uravneniâ, Tome 19 (1983) no. 2, pp. 269-278. http://geodesic.mathdoc.fr/item/DE_1983_19_2_a7/