@InProceedings{NavaraCOST99,
  IS =     { zkontrolovano, fiktivni strany, 26 Nov 99 },
  author =   {Navara, Mirko},
  title =   {Comparing semantics of fuzzy logics},
  booktitle =   {Proc. COST Action~15 Meeting},
  publisher =   {Czech Academy of Sciences},
  isbn =   {none},
  year =   {1999},
  month =   {October},
  venue =   {Prague, Czech Republic},
  address =   {Prague, Czech Republic},
  organization = {Czech Academy of Sciences},
  importance =   {1},
  project =   { VZ98/013 },
}