%0 Journal Article
%A I. S. Kats
%T Generalization of an asymptotic formula of V.\,A.~Marchenko for spectral functions of a~second-order boundary value problem
%J Izvestiya. Mathematics 
%D 1973
%P 424-438
%V 7
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1973_7_2_a10/
%G en
%F IM2_1973_7_2_a10