@article{1183420579,
author = {Dederick, L. S.},
title = {The solution of the equation in two real variables at a point where both the partial derivatives vanish},
journal = {Bull. Amer. Math. Soc.},
volume = {17},
number = {3},
year = {1910},
pages = { 174-187},
language = {en},
url = {http://dml.mathdoc.fr/item/1183420579}
}
Dederick, L. S. The solution of the equation in two real variables at a point where both the partial derivatives vanish. Bull. Amer. Math. Soc., Tome 17 (1910) no. 3, pp. 174-187. http://gdmltest.u-ga.fr/item/1183420579/