@article{1102811124,
author = {Gervais, Jean-Jacques},
title = {Sufficiency of jets.},
journal = {Pacific J. Math.},
volume = {73},
number = {2},
year = {1977},
pages = { 419-422},
language = {en},
url = {http://dml.mathdoc.fr/item/1102811124}
}
Gervais, Jean-Jacques. Sufficiency of jets.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 419-422. http://gdmltest.u-ga.fr/item/1102811124/