@book{DBLP:books/sp/Recasens11,
  author    = {Jordi Recasens},
  title     = {Indistinguishability Operators - Modelling Fuzzy Equalities
               and Fuzzy Equivalence Relations},
  publisher = {Springer},
  series    = {Studies in Fuzziness and Soft Computing},
  volume    = {260},
  year      = {2011},
  isbn      = {978-3-642-16221-3},
  pages     = {1-231},
  ee        = {http://dx.doi.org/10.1007/978-3-642-16222-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}