@article{IM_1993__113_2_144123,
     author = {Klaus K\"unnemann},
     title = {A {Lefschetz} decomposition for {Chow} motives of abelian schemes.},
     journal = {Inventiones mathematicae},
     pages = {85--102},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1993},
     zbl = {0806.14001},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__113_2_144123/}
}