@Article{ 
  mug03,
  author = { Mugnai, Dimitri },
  title = { Bounce on a $p$--Laplacian },
  journal = { Comm. Pure Appl.Anal.  },
  year = { 2003 },
  volume = { 2 },
  number = { 3 },
  pages = { 363-371 },
  URL = { http://cvgmt.sns.it/paper/1623/ },
  note = { cvgmt preprint}
}