%0 Journal Article %A Yu. P. Boglaev %A A. V. Zhdanov %A V. G. Stel'makh %T Uniform approximations to the solutions of certain singularly perturbed nonlinear equations %J Differencialʹnye uravneniâ %D 1978 %P 395-406 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_3_a0/ %G ru %F DE_1978_14_3_a0