%0 Journal Article %A G. A. Karapetyan %A H. G. Tananyan %T The small parameter method for regular linear differential equations on unbounded domains %J Eurasian mathematical journal %D 2013 %P 64-81 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2013_4_2_a4/ %G en %F EMJ_2013_4_2_a4