%0 Journal Article
%A S. I. Mitrokhin
%T A periodic boundary value problem for a fourth order differential operator with a summable potential
%J Vladikavkazskij matematičeskij žurnal
%D 2017
%P 35-49
%V 19
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMJ_2017_19_4_a3/
%G ru
%F VMJ_2017_19_4_a3