%0 Journal Article
%A Thomas Friedrich
%T A geometric estimate for a periodic Schrödinger operator
%J Colloquium Mathematicum
%D 2000
%P 209-216
%V 83
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-83-2-209-216/
%R 10.4064/cm-83-2-209-216
%G en
%F 10_4064_cm_83_2_209_216