@article{1077314187, author = {Siu, Yum-Tong}, title = {Curvature characterization of hyperquadrics}, journal = {Duke Math. J.}, volume = {47}, number = {1}, year = {1980}, pages = { 641-654}, language = {en}, url = {http://dml.mathdoc.fr/item/1077314187} }
Siu, Yum-Tong. Curvature characterization of hyperquadrics. Duke Math. J., Tome 47 (1980) no. 1, pp. 641-654. http://gdmltest.u-ga.fr/item/1077314187/