%0 Journal Article
%A Yu. N. Dnestrovskii
%A D. P. Kostomarov
%T Eigenvalue problems for second-order equations in the case of non-linear dependence on a parameter~$\lambda$
%J Doklady Akademii Nauk
%D 1963
%P 28-30
%V 152
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a5/
%G ru
%F DAN_1963_152_1_a5