@article{GDZPPN002341905,
title = {On the fundamental groups of some open rational surfaces.},
journal = {Mathematische Annalen},
volume = {305},
year = {1996},
pages = {15-30},
zbl = {0853.14010},
url = {http://dml.mathdoc.fr/item/GDZPPN002341905}
}
Gurjar, R.V.; Zhang, D.-Q. On the fundamental groups of some open rational surfaces.. Mathematische Annalen, Tome 305 (1996) pp. 15-30. http://gdmltest.u-ga.fr/item/GDZPPN002341905/