%0 Journal Article
%A D. M. Polyakov
%T Spectral analysis of a fourth order differential operator with periodic and antiperiodic boundary conditions
%J Algebra i analiz
%D 2015
%P 117-152
%V 27
%N 5
%U http://geodesic.mathdoc.fr/item/AA_2015_27_5_a4/
%G ru
%F AA_2015_27_5_a4