%0 Journal Article
%A Ši Čžun-cy
%T Asymptotic behavior of the eigenfunctions of Sturm--Liouville's problem calculated by using perturbation theory
%J Doklady Akademii Nauk
%D 1960
%P 1279-1282
%V 131
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a13/
%G ru
%F DAN_1960_131_6_a13