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@article{DAN_1986_291_3_a10, author = {Yu. V. Orlov}, title = {The maximum principle for control systems described by}, journal = {Doklady Akademii Nauk}, pages = {560--562}, publisher = {mathdoc}, volume = {291}, number = {3}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a10/} }
Yu. V. Orlov. The maximum principle for control systems described by. Doklady Akademii Nauk, Tome 291 (1986) no. 3, pp. 560-562. http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a10/