@INPROCEEDINGS{CintulaKlementMesiarNavara:Ham_chapter,
  IS = { zkontrolovano 23 Jan 2009 },
  UPDATE  = { 2009-01-23 },
  AUTHOR =   {Cintula, Petr and Navara, Mirko and Klement, Erich Peter and Mesiar, Radko},
  TITLE =   {Fuzzy logics with an additional involutive negation},
  BOOKTITLE =   {Proc. Linz Seminar 2006},
  PUBLISHER =   {},
  YEAR =   {2006},
  PAGES =   {},
}