RISC RISC Research Institute for Symbolic Computation  
  • @article{RISC2873,
    author = {M. Kauers and C. Schneider},
    title = {{Indefinite summation with unspecified summands}},
    language = {english},
    journal = {Discrete Math.},
    volume = {306},
    number = {17},
    pages = {2073--2083},
    isbn_issn = {ISSN 0012-365X},
    year = {2006},
    note = {Preliminary version online},
    refereed = {yes},
    length = {11}
    }