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@article{DE_1995_31_11_a14, author = {F. P. Vasil'ev}, title = {On duality in linear problems of control and observation}, journal = {Differencialʹnye uravneni\^a}, pages = {1893--1900}, publisher = {mathdoc}, volume = {31}, number = {11}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_11_a14/} }
F. P. Vasil'ev. On duality in linear problems of control and observation. Differencialʹnye uravneniâ, Tome 31 (1995) no. 11, pp. 1893-1900. http://geodesic.mathdoc.fr/item/DE_1995_31_11_a14/