Combescure, Monique. “Circulant Matrices, Gauss Sums and Mutually Unbiased Bases, I. The Prime Number Case”. CUBO, A Mathematical Journal 11, no. 4 (September 1, 2009): 73–86. Accessed October 12, 2025. https://cubo.ufro.cl/index.php/cubo/article/view/1454.