%0 Journal Article
%A A. V. Badanin
%A E. L. Korotyaev
%T Spectral estimates for a~periodic fourth-order operator
%J Algebra i analiz
%D 2010
%P 1-48
%V 22
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_2010_22_5_a0/
%G ru
%F AA_2010_22_5_a0