Zur Teorie des Fermatschen Quotienten $\frac{a^p-1}{p} = q(a)$
Article:
Lerch, Matyáš
Zur Theorie des Fermatschen Quotienten $\frac{a^p-1}{p} = q(a)$(German) [On the theory of Fermat quotients $\frac{a^p-1}{p} = q(a)$].Math. Ann. 60 (1905), 471--490 (more ...)