@article{1256044750,
author = {Welsh, David J.},
title = {Manifolds that admit parallel vector fields},
journal = {Illinois J. Math.},
volume = {30},
number = {3},
year = {1986},
pages = { 9-18},
language = {en},
url = {http://dml.mathdoc.fr/item/1256044750}
}
Welsh, David J. Manifolds that admit parallel vector fields. Illinois J. Math., Tome 30 (1986) no. 3, pp. 9-18. http://gdmltest.u-ga.fr/item/1256044750/