%0 Journal Article %A O. I. Kostyukova %T An Investigation of a Linear Hamiltonian Singularly Perturbed Boundary Value Problem %J Differencialʹnye uravneniâ %D 2004 %P 608-616 %V 40 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_5_a4/ %G ru %F DE_2004_40_5_a4