%0 Journal Article
%A Kao, Chiu-Yen
%A Osting, Braxton
%T Extremal spectral gaps for periodic Schrödinger operators
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2019
%V 25
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/cocv/2018029/
%R 10.1051/cocv/2018029
%G en
%F COCV_2019__25__A40_0