Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1994_337_5_a0, author = {S. A. Vakhrameev}, title = {Once more on the bang-bang control theorem for smooth control}, journal = {Doklady Akademii Nauk}, pages = {567--569}, publisher = {mathdoc}, volume = {337}, number = {5}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_337_5_a0/} }
S. A. Vakhrameev. Once more on the bang-bang control theorem for smooth control. Doklady Akademii Nauk, Tome 337 (1994) no. 5, pp. 567-569. http://geodesic.mathdoc.fr/item/DAN_1994_337_5_a0/