Masuda, A., D. Panario, and Q. Wang. “The Number of Permutation Binomials over ${\Bbb F}_{4p+1}$ Where $p$ and $4p+1$ Are Primes”. The Electronic Journal of Combinatorics 13, no. 1 (August 3, 2006): R65. Accessed March 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v13i1r65.