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@article{DE_2000_36_11_a13, author = {I. V. Gaishun}, title = {Linear systems of variable structure. {Controllability} and observability}, journal = {Differencialʹnye uravneni\^a}, pages = {1544--1549}, publisher = {mathdoc}, volume = {36}, number = {11}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_11_a13/} }
I. V. Gaishun. Linear systems of variable structure. Controllability and observability. Differencialʹnye uravneniâ, Tome 36 (2000) no. 11, pp. 1544-1549. http://geodesic.mathdoc.fr/item/DE_2000_36_11_a13/