%0 Journal Article %A V. E. Mirakov %T A method of {\v C}aplygin type in a boundary value problem for a second order nonlinear differential equation %J Differencialʹnye uravneniâ %D 1977 %P 607-615 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_4_a3/ %G ru %F DE_1977_13_4_a3