@article{1255456280,
author = {Fullerton, R. E.},
title = {The structure of contours of a Fr\'echet surface},
journal = {Illinois J. Math.},
volume = {4},
number = {1},
year = {1960},
pages = { 619-628},
language = {en},
url = {http://dml.mathdoc.fr/item/1255456280}
}
Fullerton, R. E. The structure of contours of a Fréchet surface. Illinois J. Math., Tome 4 (1960) no. 1, pp. 619-628. http://gdmltest.u-ga.fr/item/1255456280/