%0 Journal Article
%A L. I. Danilov
%T On the spectra of two-dimensional periodic Schrödinger and Dirac operators
%J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta
%D 2002
%P 3-98
%N 3
%U http://geodesic.mathdoc.fr/item/IIMI_2002_3_a0/
%G ru
%F IIMI_2002_3_a0