%0 Journal Article
%A M. Otelbaev
%T A criterion for the resolvent of a Sturm--Liouville operator to be kernel
%J Matematičeskie zametki
%D 1979
%P 569-572
%V 25
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1979_25_4_a9/
%G ru
%F MZM_1979_25_4_a9