1. L. Carlitz, Permutations in a finite field. Proc. Amer. Math. Soc. 4, 538 (1953)
2. F. Luca, S. Sarkar, P. Stănică, “Representing the inverse map as a composition of quadratics in a finite field of characteristic 2”, manuscript, (2023)
3. P. Moree, On the divisors of $$a^k+b^k$$. Acta Arith. LXXX. 3, 197–212 (1997)
4. R. Crandall, C. Pomerance, Prime numbers. A computational perspective, 2nd edn. Springer, New York, (2005). xvi+597 pp