@article{DAN_1963_151_1_a16,
     author = {A. F. Filippov},
     title = {Differential equations with multi-valued discontinuous right-hand side},
     journal = {Doklady Akademii Nauk},
     pages = {65--68},
     publisher = {mathdoc},
     volume = {151},
     number = {1},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_1_a16/}
}