@article{AIHPC_2009__26_2_397_0,
     author = {Cingolani, Silvia and Vannella, Giuseppina},
     title = {Multiple {Positive} {Solutions} for a {Critical} {Quasilinear} {Equation} {Via} {Morse} {Theory}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {397--413},
     publisher = {Elsevier},
     volume = {26},
     number = {2},
     year = {2009},
     doi = {10.1016/j.anihpc.2007.09.003},
     mrnumber = {2504036},
     zbl = {1171.35042},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2007.09.003/}
}