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@article{DAN_1992_322_5_a5, author = {T. K. Melikov}, title = {Recurrence conditions for the optimality of singular controls in}, journal = {Doklady Akademii Nauk}, pages = {843--846}, publisher = {mathdoc}, volume = {322}, number = {5}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_5_a5/} }
T. K. Melikov. Recurrence conditions for the optimality of singular controls in. Doklady Akademii Nauk, Tome 322 (1992) no. 5, pp. 843-846. http://geodesic.mathdoc.fr/item/DAN_1992_322_5_a5/