Tianbing Xia Jennifer Seberry Josef Pieprzyk Chris Charnes Homogeneous bent functions of degree <i>n</i> in <i>2n</i> variables do not exist for <i>n</i>ge3. 127-132 2004 142 Discrete Applied Mathematics 1-3 http://dx.doi.org/10.1016/j.dam.2004.02.006 db/journals/dam/dam142.html#XiaSPC04