@article{DE_1979_15_6_a5,
     author = {E. S. Polovinkin},
     title = {Nonautonomous differential games},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1007--1017},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_6_a5/}
}