@article{GDZPPN002290669, title = {A construction of generalized Jacobian varieties by group extensions.}, journal = {Mathematische Annalen}, volume = {146}, year = {1962}, pages = {277-286}, zbl = {0101.38502}, url = {http://dml.mathdoc.fr/item/GDZPPN002290669} }
OORT, F. A construction of generalized Jacobian varieties by group extensions.. Mathematische Annalen, Tome 146 (1962) pp. 277-286. http://gdmltest.u-ga.fr/item/GDZPPN002290669/