@article{DAN_1977_235_6_a5,
     author = {N. N. Krasovskii},
     title = {Extremal constructions for a differential game},
     journal = {Doklady Akademii Nauk},
     pages = {1260--1262},
     publisher = {mathdoc},
     volume = {235},
     number = {6},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_235_6_a5/}
}