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@article{MAN_1991__290_4_164845, author = {Herbert Lange and Christina Birkenhake}, title = {The exponent of an abelian subvariety.}, journal = {Mathematische Annalen}, pages = {801--814}, publisher = {mathdoc}, volume = {290}, number = {4}, year = {1991}, zbl = {0773.14024}, url = {http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164845/} }
Herbert Lange; Christina Birkenhake. The exponent of an abelian subvariety.. Mathematische Annalen, Tome 290 (1991) no. 4, pp. 801-814. http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164845/