@article{1183425456,
author = {Lipka, Joseph},
title = {Note on velocity systems in curved space of $N$ dimensions},
journal = {Bull. Amer. Math. Soc.},
volume = {27},
number = {3},
year = {1920},
pages = { 71-77},
language = {en},
url = {http://dml.mathdoc.fr/item/1183425456}
}
Lipka, Joseph. Note on velocity systems in curved space of $N$ dimensions. Bull. Amer. Math. Soc., Tome 27 (1920) no. 3, pp. 71-77. http://gdmltest.u-ga.fr/item/1183425456/