@article{1178244075,
author = {Sasaki, Shigeo},
title = {Homogeneous contact transformations},
journal = {Tohoku Math. J. (2)},
volume = {14},
number = {4},
year = {1962},
pages = { 369-397},
language = {en},
url = {http://dml.mathdoc.fr/item/1178244075}
}
Sasaki, Shigeo. Homogeneous contact transformations. Tohoku Math. J. (2), Tome 14 (1962) no. 4, pp. 369-397. http://gdmltest.u-ga.fr/item/1178244075/