@article{Gaehler1995,
  author    = {G{\"a}hler, Werner},
  title     = {Convergence},
  year      = {1995},
  language  = {en}
}
@article{Gaehler1995,
  author    = {G{\"a}hler, Werner},
  title     = {The general fuzzy filter approach to fuzzy topology, I},
  year      = {1995},
  language  = {en}
}
@article{Gaehler1995,
  author    = {G{\"a}hler, Werner},
  title     = {The general fuzzy filter approach to fuzzy topology, II},
  year      = {1995},
  language  = {en}
}
@article{GaehlerBayoumiKandiletal.1995,
  author    = {G{\"a}hler, Werner and Bayoumi, Fatma and Kandil, Anwar and Nouh, Ali},
  title     = {The theory of general fuzzy neighborhood structures, part I},
  year      = {1995},
  language  = {en}
}