Chan, Heng Huat, and Berthold-Georg Englert. “Multiplicative Functions Arising from the Study of Mutually Unbiased Bases”. New Zealand Journal of Mathematics 51 (August 12, 2021): 65–78. Accessed May 8, 2025. https://www.nzjmath.org/index.php/NZJMATH/article/view/99.