@article{GDZPPN002260360,
title = {Sur la d\'eformation des surfaces},
journal = {Mathematische Annalen},
volume = {61},
year = {1905},
pages = {434-436},
zbl = {36.0672.01},
url = {http://dml.mathdoc.fr/item/GDZPPN002260360}
}
Bernstein, Serge. Sur la déformation des surfaces. Mathematische Annalen, Tome 61 (1905) pp. 434-436. http://gdmltest.u-ga.fr/item/GDZPPN002260360/