@article{AIHPC_2003__20_5_759_0,
     author = {Cerami, Giovanna and Molle, Riccardo},
     title = {Multiple positive solutions for singularly perturbed elliptic problems in exterior domains},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {759--777},
     publisher = {Elsevier},
     volume = {20},
     number = {5},
     year = {2003},
     doi = {10.1016/S0294-1449(02)00030-6},
     mrnumber = {1995501},
     zbl = {01975933},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/S0294-1449(02)00030-6/}
}