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@article{DAN_1977_233_4_a3, author = {A. V. Dmitruk}, title = {Quadratic conditions for a weak minimum for singular regimes in optimal control problems}, journal = {Doklady Akademii Nauk}, pages = {523--526}, publisher = {mathdoc}, volume = {233}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_233_4_a3/} }
A. V. Dmitruk. Quadratic conditions for a weak minimum for singular regimes in optimal control problems. Doklady Akademii Nauk, Tome 233 (1977) no. 4, pp. 523-526. http://geodesic.mathdoc.fr/item/DAN_1977_233_4_a3/