@article{DAN_1995_343_2_a3,
     author = {V. V. Filippov},
     title = {On the existence and properties of solutions of ordinary},
     journal = {Doklady Akademii Nauk},
     pages = {160--162},
     publisher = {mathdoc},
     volume = {343},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_343_2_a3/}
}