@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/