%0 Journal Article
%A B. A. Dubrovin
%A S. P. Novikov
%T Ground states in a periodic field. Magnetic Bloch functions and vector bundles
%J Doklady Akademii Nauk
%D 1980
%P 1293-1297
%V 253
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_253_6_a1/
%G ru
%F DAN_1980_253_6_a1