@article{DAN_1969_184_2_a1,
     author = {G. N. Dyubin},
     title = {The set of games on the unit square with unique solution},
     journal = {Doklady Akademii Nauk},
     pages = {267--269},
     publisher = {mathdoc},
     volume = {184},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_184_2_a1/}
}