@article{1077472094,
author = {Wu, George},
title = {Systems of quadrics associated with a point of a surface, I},
journal = {Duke Math. J.},
volume = {10},
number = {1},
year = {1943},
pages = { 499-513},
language = {en},
url = {http://dml.mathdoc.fr/item/1077472094}
}
Wu, George. Systems of quadrics associated with a point of a surface, I. Duke Math. J., Tome 10 (1943) no. 1, pp. 499-513. http://gdmltest.u-ga.fr/item/1077472094/