%0 Journal Article
%A I. M. Krichever
%T Spectral theory of two-dimensional periodic operators and its applications
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1989
%P 145-225
%V 44
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1989_44_2_a3/
%G en
%F RM_1989_44_2_a3