@article{1183420740,
author = {Kasner, Edward},
title = {The infinitesimal contact transformations of mechanics},
journal = {Bull. Amer. Math. Soc.},
volume = {17},
number = {3},
year = {1910},
pages = { 408-412},
language = {en},
url = {http://dml.mathdoc.fr/item/1183420740}
}
Kasner, Edward. The infinitesimal contact transformations of mechanics. Bull. Amer. Math. Soc., Tome 17 (1910) no. 3, pp. 408-412. http://gdmltest.u-ga.fr/item/1183420740/