@article{GDZPPN002321408, title = {The Serre Problem on Riemann Surfaces.}, journal = {Mathematische Annalen}, volume = {255}, year = {1981}, pages = {145-168}, zbl = {0497.32013}, url = {http://dml.mathdoc.fr/item/GDZPPN002321408} }
Mok, Ngaiming. The Serre Problem on Riemann Surfaces.. Mathematische Annalen, Tome 255 (1981) pp. 145-168. http://gdmltest.u-ga.fr/item/GDZPPN002321408/