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^Blokhuis, Aart; Coulter, Robert S.; Henderson, Marie; O’Keefe, Christine M. (2001). "Permutations amongst the Dembowski-Ostrom Polynomials". Finite Fields and Applications. pp. 37–42. doi:10.1007/978-3-642-56755-1_4. ISBN978-3-642-62498-8.