@article{1077476578,
author = {Hsiung, Chuan-Chih},
title = {Conjugate nets in three- and four-dimensional spaces},
journal = {Duke Math. J.},
volume = {18},
number = {1},
year = {1951},
pages = { 487-499},
language = {en},
url = {http://dml.mathdoc.fr/item/1077476578}
}
Hsiung, Chuan-Chih. Conjugate nets in three- and four-dimensional spaces. Duke Math. J., Tome 18 (1951) no. 1, pp. 487-499. http://gdmltest.u-ga.fr/item/1077476578/