%0 Journal Article %A E. P. Kubishkin %T The method of infinite-dimensional normalization in the investigation of self-oscillatory solutions of a class of singularly perturbed boundary value problems %J Doklady Akademii Nauk %D 1989 %P 1041-1045 %V 306 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_5_a2/ %G ru %F DAN_1989_306_5_a2