@misc{cryptoeprint:2011:400,
    author = {Gérard Cohen and Jean-Pierre Flori},
    title = {On a generalized combinatorial conjecture involving addition $\mod 2^k - 1$},
    howpublished = {Cryptology ePrint Archive, Report 2011/400},
    year = {2011},
    url = {http://eprint.iacr.org/2011/400},
}