RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1411,
    author = {Stefan Ratschan},
    title = {{``Approximate'' Logic - An Overview}},
    number = {98-08},
    year = {1998},
    month = {June},
    sponsor = {FWF-SFB-P2},
    type = {RISC Report Series},
    institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
    address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
    }