%0 Journal Article %A Ronan Pouliquen %T Lower bounds for Schrödinger operators in H¹(ℝ) %J Studia Mathematica %D 1999 %P 79-89 %V 132 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-132-1-79-89/ %R 10.4064/sm-132-1-79-89 %G en %F 10_4064_sm_132_1_79_89