Papers on Fermat's congruence by Hans Riesel

  1. Note on the congruence a^(p-1)=1 (mod p^2), Math.Comp. 18 (1964) pp. 149-150.
  2. Some soluble cases of the discrete logarithm problem, BIT 28 (1988) pp. 839-851.
Upp till Riesels hemsida.