RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1990,
    author = {M. Singer and S. Stifter and D.m. Wang},
    title = {{An Algorithm to Test Whether $m$ Discs in 2D, $m$ Balls in 3D Intersect}},
    number = {88-22},
    year = {1988},
    sponsor = {AIS GmbH},
    type = {RISC Report Series},
    institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
    address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
    }