@article{SM_1994_79_1_a8,
     author = {A. V. Arutyunov and S. M. Aseev and V. I. Blagodatskikh},
     title = {First-order necessary conditions in the~problem of optimal control of a~differential inclusion with phase constraints},
     journal = {Sbornik. Mathematics},
     pages = {117--139},
     year = {1994},
     volume = {79},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1994_79_1_a8/}
}