%0 Journal Article %A V.K. Murty %A D. Ramakrishnan %T Period relations and the Tate conjecture for Hubert modular surfaces. %J Inventiones mathematicae %D 1987 %P 319-346 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1987__89_143483/ %F IM_1987__89_143483