%0 Journal Article %A V. N. Bobochko %A S. A. Lomov %T Singularly perturbed Vall\'ee-Poussin problem with alternating spectrum %J Differencialʹnye uravneniâ %D 1986 %P 1997-1999 %V 22 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_11_a19/ %G ru %F DE_1986_22_11_a19