Carl Bracken Eimear Byrne Nadya Markin Gary McGuire Determining the Nonlinearity of a New Family of APN Functions. 72-79 2007 conf/aaecc/2007 AAECC http://dx.doi.org/10.1007/978-3-540-77224-8_11 db/conf/aaecc/aaecc2007.html#BrackenBMM07