RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1904,
    author = {Dongming Wang},
    title = {{Differentiation and Integration of Indefinite Summations with Respect to Indexed Variables}},
    number = {90-37},
    year = {1990},
    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}
    }