@article{CammarotoChinniSturiale1999MCM,
  author  = {Filippo Cammaroto and Antonia Chinnì and Giuseppe Sturiale},
  title   = {A Remark on Ekeland's Principle in Locally Convex Topological Vector Spaces},
  journal = {Mathematical and Computer Modelling},
  volume  = {30},
  number  = {1--2},
  pages   = {75--79},
  year    = {1999},
  doi     = {10.1016/S0895-7177(99)00182-X}
}