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@article{MAN_1996__306_3_165443, author = {R.V. Gurjar and D.-Q. Zhang}, title = {On the fundamental groups of some open rational surfaces.}, journal = {Mathematische Annalen}, pages = {15--30}, publisher = {mathdoc}, volume = {306}, number = {3}, year = {1996}, zbl = {0853.14010}, url = {http://geodesic.mathdoc.fr/item/MAN_1996__306_3_165443/} }
R.V. Gurjar; D.-Q. Zhang. On the fundamental groups of some open rational surfaces.. Mathematische Annalen, Tome 306 (1996) no. 3, pp. 15-30. http://geodesic.mathdoc.fr/item/MAN_1996__306_3_165443/