Two-sided estimates for number of fixed points of a discrete logarithm / E. A. Grechnikov. // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. 2012. № 3. P. 3-8 [Moscow Univ. Math. Bulletin. Vol. 72, N 2, 2017. P. 0].

Lower and upper bounds are obtained for an average number of solutions of the congruence g^x≡x (mod p) in nonnegative integer numbers x≤p-1, where g is a primitive root modulo p.

Key words: discrete logarithm, Brizolis problem.