%0 Journal Article %A Buttazzo, Giuseppe %A Gerolin, Augusto %A Ruffini, Berardo %A Velichkov, Bozhidar %T Optimal potentials for Schrödinger operators %J Journal de l’École polytechnique - Mathématiques %D 2014 %P 71-100 %V 1 %I Ecole polytechnique %U http://archive.numdam.org/articles/10.5802/jep.4/ %R 10.5802/jep.4 %G en %F JEP_2014__1__71_0