@article{1183419827,
author = {Saurel, Paul},
title = {On the distance from a point to a surface},
journal = {Bull. Amer. Math. Soc.},
volume = {15},
number = {3},
year = {1908},
pages = { 465-467},
language = {en},
url = {http://dml.mathdoc.fr/item/1183419827}
}
Saurel, Paul. On the distance from a point to a surface. Bull. Amer. Math. Soc., Tome 15 (1908) no. 3, pp. 465-467. http://gdmltest.u-ga.fr/item/1183419827/