John B. Friedlander, 237, Equidistribution in Number Theory, An Introduction, 2006, 29
Mei-Chu Chang, Chui Zhi Yao, “An Explicit Bound On Double Exponential Sums Related to Diffie–Hellman Distributions”, SIAM J. Discrete Math., 22, no. 1, 2008, 348
Alina Ostafe, Igor E Shparlinski, José Felipe Voloch, “Equations and Character Sums with Matrix Powers, Kloosterman Sums over Small Subgroups, and Quantum Ergodicity”, International Mathematics Research Notices, 2023, no. 16, 2023, 14196
J. Bourgain, “On an exponential sum related to the Diffie-Hellman cryptosystem”, International Mathematics Research Notices, 2006
Handbook of Finite Fields, 2013, 777