@article{DE_1977_13_4_a9,
     author = {E. A. Markin},
     title = {The existence of a value for a certain class of differential games that can be described by a {Goursat} problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {668--681},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_4_a9/}
}