RISC RISC Research Institute for Symbolic Computation  
  • @misc{RISC4163,
    author = {Manuel Kauers and Sheng-Lan Ko},
    title = {{Problem 11545}},
    language = {english},
    isbn_issn = {ISSN 0192-5857},
    year = {2011},
    month = {1},
    translation = {0},
    refereed = {yes},
    howpublished = {American Mathematical Monthly 118(1):84},
    length = {1}
    }