TY - JOUR AU - Křížek, Michal AU - Somer, Lawrence TI - 17 necessary and sufficient conditions for the primality of Fermat numbers JO - Communications in Mathematics PY - 2003 SP - 73 EP - 79 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2003__11_1_a4/ LA - en ID - COMIM_2003__11_1_a4 ER -