@article{DAN_1992_323_3_a5,
     author = {A. I. Gol'berg and V. A. Gurvich},
     title = {A density criterion for reciprocal bipartite cyclic game forms},
     journal = {Doklady Akademii Nauk},
     pages = {398--405},
     publisher = {mathdoc},
     volume = {323},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_323_3_a5/}
}