@article{CammarotoChinniSturiale2000FJMS,
  author  = {Filippo Cammaroto and Antonia Chinnì and Giuseppe Sturiale},
  title   = {Applications of Ekeland's Principle to Locally Lipschitzian Functionals},
  journal = {Far East Journal of Mathematical Sciences},
  volume  = {2},
  number  = {2},
  pages   = {323--335},
  year    = {2000}
}