@article{CM_1991__78_2_227_0, author = {Abramovich, Dan and Harris, Joe}, title = {Abelian varieties and curves in $W_d (C)$}, journal = {Compositio Mathematica}, pages = {227--238}, publisher = {Kluwer Academic Publishers}, volume = {78}, number = {2}, year = {1991}, mrnumber = {1104789}, zbl = {0748.14010}, language = {en}, url = {http://archive.numdam.org/item/CM_1991__78_2_227_0/} }