RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1970,
    author = {L. Liu and Z. Lu and D. Wang},
    title = {{Mechanical Manipulation for LaSalle's Invariant Sets of Lotka-Volterra Systems}},
    number = {89-52},
    year = {1989},
    sponsor = { Siemens AG, Munich},
    type = {RISC Report Series},
    institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
    address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
    }