@article{DE_1997_33_6_a8,
     author = {\`E. R. Smol'yakov},
     title = {Theorems on the existence of symmetric active equilibria in noncooperative programmed differential games},
     journal = {Differencialʹnye uravneni\^a},
     pages = {776--781},
     publisher = {mathdoc},
     volume = {33},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_6_a8/}
}