@article{1077475895,
author = {Levine, Jack},
title = {Fields of parallel vectors in conformally flat spaces},
journal = {Duke Math. J.},
volume = {17},
number = {1},
year = {1950},
pages = { 15-20},
language = {en},
url = {http://dml.mathdoc.fr/item/1077475895}
}
Levine, Jack. Fields of parallel vectors in conformally flat spaces. Duke Math. J., Tome 17 (1950) no. 1, pp. 15-20. http://gdmltest.u-ga.fr/item/1077475895/