@article{DAN_1984_275_2_a1,
     author = {A. V. Arutyunov and N. T. Tynyanskii},
     title = {On necessary conditions for a local minimum in optimal control theory},
     journal = {Doklady Akademii Nauk},
     pages = {268--272},
     publisher = {mathdoc},
     volume = {275},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_275_2_a1/}
}