%0 Journal Article
%A M. V. Fedoryuk
%T Asymptotic methods in the theory of one-dimensional singular differential operators
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 1966
%P 296-345
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_1966_15_a8/
%G ru
%F MMO_1966_15_a8