@article{1258138063, author = {Ballico, E.}, title = {Brill-Noether theory for general branched coverings of $\bold P\sp 1$}, journal = {Illinois J. Math.}, volume = {45}, number = {4}, year = {2001}, pages = { 1247-1252}, language = {en}, url = {http://dml.mathdoc.fr/item/1258138063} }
Ballico, E. Brill-Noether theory for general branched coverings of $\bold P\sp 1$. Illinois J. Math., Tome 45 (2001) no. 4, pp. 1247-1252. http://gdmltest.u-ga.fr/item/1258138063/