%0 Journal Article
%A B. I. Bandyrskii
%A V. L. Makarov
%A O. L. Ukhanev
%T Sufficient conditions for the convergence of nonclassical asymptotic expansions for the Sturm--Liouville problem with periodic conditions
%J Differencialʹnye uravneniâ
%D 1999
%P 367-378
%V 35
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_3_a10/
%G ru
%F DE_1999_35_3_a10