%0 Journal Article %A M. B. Kapilevich %T Approximation of singular solutions of the Caplygin equation %J Doklady Akademii Nauk %D 1964 %P 258-261 %V 154 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_2_a3/ %G ru %F DAN_1964_154_2_a3