@article{1077303334, author = {Goldstein, Norman}, title = {A special surface in the $4$ -quadric}, journal = {Duke Math. J.}, volume = {50}, number = {1}, year = {1983}, pages = { 745-761}, language = {en}, url = {http://dml.mathdoc.fr/item/1077303334} }
Goldstein, Norman. A special surface in the $4$ -quadric. Duke Math. J., Tome 50 (1983) no. 1, pp. 745-761. http://gdmltest.u-ga.fr/item/1077303334/