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@article{DE_1969_5_5_a0, author = {V. G. Boltyanskii}, title = {A linear optimal control problem}, journal = {Differencialʹnye uravneni\^a}, pages = {783--799}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_5_a0/} }
V. G. Boltyanskii. A linear optimal control problem. Differencialʹnye uravneniâ, Tome 5 (1969) no. 5, pp. 783-799. http://geodesic.mathdoc.fr/item/DE_1969_5_5_a0/