@article{CammarotoChinniDiBella2006Archiv,
  author  = {Filippo Cammaroto and Antonia Chinnì and Beatrice Di Bella},
  title   = {Some Multiplicity Results for Quasilinear Neumann Problems},
  journal = {Archiv der Mathematik},
  volume  = {86},
  number  = {2},
  pages   = {154--162},
  year    = {2006},
  doi     = {10.1007/s00013-005-1425-8}
}