Luca, Florian Max Planck Institute for Mathematics, Max Planck Society;
Shparlinski, Igor E. Max Planck Institute for Mathematics, Max Planck Society;
Kurlberg, P., Luca, F., & Shparlinski, I. E. (2015). On the fixed points of the map x↦x x modulo a prime. Mathematical Research Letters, 22(1), 141-168. doi:10.4310/MRL.2015.v22.n1.a8.