%0 Journal Article %A V. F. Safonov %T Multipoint resonance in a strongly nonlinear singularly perturbed system of differential equations %J Differencialʹnye uravneniâ %D 1987 %P 529-530 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_3_a27/ %G ru %F DE_1987_23_3_a27