@article{DE_2002_38_11_a5,
     author = {A. A. Melikyan},
     title = {A {Representation} of the {Equations} of {Motion} on the {Phase} {Constraint} {Surface} of an {Optimal} {Control} {Problem} in the {Form} of {Singular} {Characteristics}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1490--1497},
     publisher = {mathdoc},
     volume = {38},
     number = {11},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_11_a5/}
}