TY - JOUR AU - Křížek, Michal AU - Somer, Lawrence TI - A necessary and sufficient condition for the primality of Fermat numbers JO - Mathematica Bohemica PY - 2001 SP - 541 EP - 549 VL - 126 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2001.134197/ DO - 10.21136/MB.2001.134197 LA - en ID - 10_21136_MB_2001_134197 ER -