@article{DE_2005_41_11_a1,
     author = {A. V. Arutyunov and D. Yu. Karamzin},
     title = {Necessary {Conditions} for a {Weak} {Minimum} in an {Optimal} {Control} {Problem} with {Mixed} {Constraints}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1458--1468},
     publisher = {mathdoc},
     volume = {41},
     number = {11},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_11_a1/}
}