%0 Journal Article %A N.O. Nygaard %T The Tate conjecture for ordinary K3 surfaces over finite fields. %J Inventiones mathematicae %D 1983 %P 213-238 %V 74 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1983__74_143070/ %F IM_1983__74_143070