Bibtex

    

    
  @ARTICLE{KovacsTATRA97,
   author = "{Sz}. Kovács and L. T. Kóczy",
   title = "The use of the concept of vague environment in approximate fuzzy reasoning",
   journal = "Tatra Mountains Math. Publ.",
   volume = 12,
   year = 1997,
   pages = "169--181",
}