@article{DAN_1964_154_2_a3,
     author = {M. B. Kapilevich},
     title = {Approximation of singular solutions of the {Caplygin} equation},
     journal = {Doklady Akademii Nauk},
     pages = {258--261},
     publisher = {mathdoc},
     volume = {154},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_2_a3/}
}