%0 Journal Article %A Cerami, Giovanna %A Molle, Riccardo %T Multiple positive solutions for singularly perturbed elliptic problems in exterior domains %J Annales de l'I.H.P. Analyse non linéaire %D 2003 %P 759-777 %V 20 %N 5 %I Elsevier %U http://www.numdam.org/articles/10.1016/S0294-1449(02)00030-6/ %R 10.1016/S0294-1449(02)00030-6 %G en %F AIHPC_2003__20_5_759_0