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@article{DE_1987_23_4_a13, author = {A. G. Cheremensky}, title = {Observability and stability with respect to some variables}, journal = {Differencialʹnye uravneni\^a}, pages = {680--685}, publisher = {mathdoc}, volume = {23}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_4_a13/} }
A. G. Cheremensky. Observability and stability with respect to some variables. Differencialʹnye uravneniâ, Tome 23 (1987) no. 4, pp. 680-685. http://geodesic.mathdoc.fr/item/DE_1987_23_4_a13/