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@article{MM2_1988__62_3_155357, author = {Alessandro Verra}, title = {Smooth surfaces of degree 9 in {G(1,3).}}, journal = {Manuscripta mathematica}, pages = {417--436}, publisher = {mathdoc}, volume = {62}, number = {3}, year = {1988}, zbl = {0673.14026}, url = {http://geodesic.mathdoc.fr/item/MM2_1988__62_3_155357/} }
Alessandro Verra. Smooth surfaces of degree 9 in G(1,3).. Manuscripta mathematica, Tome 62 (1988) no. 3, pp. 417-436. http://geodesic.mathdoc.fr/item/MM2_1988__62_3_155357/