%0 Journal Article %A Dimassi, Mouez %T Resonances for Slowly Varying Perturbations of a Periodic Schrödinger Operator %J Canadian journal of mathematics %D 2002 %P 998-1037 %V 54 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2002-037-9/ %R 10.4153/CJM-2002-037-9 %F 10_4153_CJM_2002_037_9