%0 Journal Article %A Křížek, Michal %A Somer, Lawrence %T 17 necessary and sufficient conditions for the primality of Fermat numbers %J Communications in Mathematics %D 2003 %P 73-79 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_2003__11_1_a4/ %G en %F COMIM_2003__11_1_a4