%0 Journal Article %A Yu. P. Gubin %A V. F. Safonov %T Asymptotic solutions of singularly perturbed problems with weak nonlinearity in the case of nonidentical resonance %J Differencialʹnye uravneniâ %D 1984 %P 930-941 %V 20 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_6_a1/ %G ru %F DE_1984_20_6_a1