%0 Journal Article %A Yu. P. Boglaev %T Parameter regularization of some classes of singularly perturbed boundary value problems %J Doklady Akademii Nauk %D 1976 %P 524-527 %V 227 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_227_3_a1/ %G ru %F DAN_1976_227_3_a1