1. Correia VP, Reis AI (2001) Classifying n-input Boolean functions. In: Proceedings of the 7th workshop IBERCHIP (IWS’01), Montevideo, Uruguay, p 5866
2. Slepian D On the number of symmentric types of Boolean functions of n variables. Soc Ind Math 05(02):185–193
3. Golomb SW (1959) On the classification of Boolean functions. IRE Trans Circuit Theory 6(5):
4. Harrison MA, On the classification of Boolean functions by the general linear and affine groups. J Soc Ind Appl Math 12(2):285–299
5. Braeken A, Borissov Y, Nikova S, Preneel B.: Classification of Boolean Functions of 6 variables or less with respect to cryptographic properties. In: Sixth international scientific conference FMNS2015, At Blagoevgrad, vol 1, 2015