@article{1077471800,
author = {Whitney, Hassler},
title = {The general type of singularity of a set of $2n-1$ smooth
functions of $n$ variables},
journal = {Duke Math. J.},
volume = {10},
number = {1},
year = {1943},
pages = { 161-172},
language = {en},
url = {http://dml.mathdoc.fr/item/1077471800}
}
Whitney, Hassler. The general type of singularity of a set of $2n-1$ smooth
functions of $n$ variables. Duke Math. J., Tome 10 (1943) no. 1, pp. 161-172. http://gdmltest.u-ga.fr/item/1077471800/