@article{10_2307_121099,
     author = {L. Clozel},
     title = {Numerical equivalence and cohomological equivalence for abelian varieties over finite fields},
     journal = {Annals of mathematics},
     year = {1999},
     volume = {150},
     number = {1},
     doi = {10.2307/121099},
     zbl = {0995.14018},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121099/}
}