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@article{DE_1976_12_5_a20, author = {S. V. Streltsov}, title = {On necessary conditions for the optimality of the controls in hybrid systems}, journal = {Differencialʹnye uravneni\^a}, pages = {940--943}, publisher = {mathdoc}, volume = {12}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_5_a20/} }
S. V. Streltsov. On necessary conditions for the optimality of the controls in hybrid systems. Differencialʹnye uravneniâ, Tome 12 (1976) no. 5, pp. 940-943. http://geodesic.mathdoc.fr/item/DE_1976_12_5_a20/