@article{1256054660, author = {Ambrose, W.}, title = {On characteristic vector fields}, journal = {Illinois J. Math.}, volume = {11}, number = {4}, year = {1967}, pages = { 217-233}, language = {en}, url = {http://dml.mathdoc.fr/item/1256054660} }
Ambrose, W. On characteristic vector fields. Illinois J. Math., Tome 11 (1967) no. 4, pp. 217-233. http://gdmltest.u-ga.fr/item/1256054660/