@article{DAN_1971_196_2_a6,
     author = {N. N. Krasovskii and A. I. Subbotin},
     title = {Extremal strategies in differential games},
     journal = {Doklady Akademii Nauk},
     pages = {278--281},
     publisher = {mathdoc},
     volume = {196},
     number = {2},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_2_a6/}
}