@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/