@article{DE_1990_26_3_a5,
     author = {N. N. Danilov and G. V. Tomskii},
     title = {On the existence of the $\epsilon$-$\beta$-core in dynamic games of fixed duration},
     journal = {Differencialʹnye uravneni\^a},
     pages = {401--408},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_3_a5/}
}