%0 Journal Article
%A Zh. Ling
%T Perturbation of eigenvalues and eigenfunctions for a second-order differential equation under perturbation of the boundary
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1963
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1963_18_4_a24/
%G ru
%F RM_1963_18_4_a24