@article{DAN_1969_188_5_a2,
     author = {L. M. Br\`egman and I. N. Fokin},
     title = {The structure of the optimal strategies in certain matrix games},
     journal = {Doklady Akademii Nauk},
     pages = {974--977},
     publisher = {mathdoc},
     volume = {188},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_5_a2/}
}