@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/