@Proceedings{IWNL-TR-2009-18,
  IS = { zkontrolovano 02 Feb 2010 },
  UPDATE  = { 2009-12-29 },
  title = 	 {Proceedings of the 4th {I}nternational 
                  {W}orkshop on {N}onstandard {L}ogics},
  year =	 {2009},
  month =	 {December},
  day =          {10--11},
  venue =        {Prague, Czech Republic},
  editor =	 {Helisov{\' a}, Kate{\v r}ina and Navara, Mirko},
  series = 	 {Research Reports of CMP},
  number =	 {CTU--CMP--2009--18},
  issn =	 {1213-2365},
  address =	 {Prague, Czech Republic},
  publisher =	 {Center for Machine Perception, K13133 FEE Czech Technical
                  University in Prague},
  bookpages =	 {24},
  figures =	 {0},
  authorship =	 {50-50},
  psurl =	 {[IWN
  L-TR-2009-18.pdf]},
  project =	 {GACR 201/07/1136},
  annote = {The 4th International Workshop "Mathematical Structures
    for Nonstandard Logics" continues the tradition of the first three
    workshops organized at the Center for Machine Perception of the
    Department of Cybernetics, Faculty of Electrical Engineering,
    Czech Technical University in Prague in December 2002 and
    2003. Its aim is to create a platform for exchange of recent
    achievements in fuzzy, quantum, and other nonstandard logics.},
  keywords =	 {fuzzy logic, quantum logic, probability},
}