@article{1183415368,
author = {Lovett, Edgar Odell},
title = {Note on contact transformations},
journal = {Bull. Amer. Math. Soc.},
volume = {4},
number = {8},
year = {1898},
pages = { 402-404},
language = {en},
url = {http://dml.mathdoc.fr/item/1183415368}
}
Lovett, Edgar Odell. Note on contact transformations. Bull. Amer. Math. Soc., Tome 4 (1898) no. 8, pp. 402-404. http://gdmltest.u-ga.fr/item/1183415368/