%0 Journal Article
%A L. I. Danilov
%T On the spectra of two-dimensional periodic Schr\"odinger and Dirac operators
%J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta
%D 2002
%P 3-98
%V 26
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IIMI_2002_26_3_a0/
%G ru
%F IIMI_2002_26_3_a0