@article{CammarotoFaraci2012APM,
  author  = {Filippo Cammaroto and Francesca Faraci},
  title   = {Multiple Solutions for Some Dirichlet Problems with Nonlocal Terms},
  journal = {Annales Polonici Mathematici},
  volume  = {105},
  number  = {1},
  pages   = {31--42},
  year    = {2012},
  doi     = {10.4064/ap105-1-4}
}