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@article{DE_1969_5_5_a19, author = {N. N. Petrov}, title = {A solution of a certain problem in control theory}, journal = {Differencialʹnye uravneni\^a}, pages = {962--963}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a19/} }
N. N. Petrov. A solution of a certain problem in control theory. Differencialʹnye uravneniâ, Tome 5 (1969) no. 5, pp. 962-963. http://geodesic.mathdoc.fr/item/DE_1969_5_5_a19/