@article{1183505100,
author = {Kasner, Edward and DeCicco, John},
title = {The geometry of velocity systems},
journal = {Bull. Amer. Math. Soc.},
volume = {49},
number = {12},
year = {1943},
pages = { 236-245},
language = {en},
url = {http://dml.mathdoc.fr/item/1183505100}
}
Kasner, Edward; DeCicco, John. The geometry of velocity systems. Bull. Amer. Math. Soc., Tome 49 (1943) no. 12, pp. 236-245. http://gdmltest.u-ga.fr/item/1183505100/