@article{MZM_1990_47_5_a15,
     author = {O. P. Filatov and M. M. Khapaev},
     title = {Mutual $\varepsilon$-approximation of solutions of a~system of differential inclusions and of the averaged},
     journal = {Matemati\v{c}eskie zametki},
     pages = {127--134},
     publisher = {mathdoc},
     volume = {47},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a15/}
}