%0 Journal Article
%A V. F. Butuzov
%A A. B. Vasil'eva
%A M. V. Fedoryuk
%T Asymptotic methods in the theory of ordinary differential equations
%J Itogi nauki i tehniki. Seriâ, Matematičeskij analiz
%D 1969
%P 5-73
%V 5
%U http://geodesic.mathdoc.fr/item/INTM_1969_5_a0/
%G ru
%F INTM_1969_5_a0