@article{10_1090_S0894_0347_1995_1273413_2,
     author = {Cattani, Eduardo and Deligne, Pierre and Kaplan, Aroldo},
     title = {On the locus of {Hodge} classes},
     journal = {Journal of the American Mathematical Society},
     pages = {483--506},
     publisher = {mathdoc},
     volume = {08},
     number = {2},
     year = {1995},
     doi = {10.1090/S0894-0347-1995-1273413-2},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1995-1273413-2/}
}