@article{1183419267,
author = {Bliss, G. A.},
title = {The construction of a field of extremals about a given point},
journal = {Bull. Amer. Math. Soc.},
volume = {14},
number = {3},
year = {1907},
pages = { 321-324},
language = {en},
url = {http://dml.mathdoc.fr/item/1183419267}
}
Bliss, G. A. The construction of a field of extremals about a given point. Bull. Amer. Math. Soc., Tome 14 (1907) no. 3, pp. 321-324. http://gdmltest.u-ga.fr/item/1183419267/