@article{1077376230,
author = {Loewner, Charles},
title = {Some concepts of parallelism with respect to a given
transformation group},
journal = {Duke Math. J.},
volume = {33},
number = {1},
year = {1966},
pages = { 151-163},
language = {en},
url = {http://dml.mathdoc.fr/item/1077376230}
}
Loewner, Charles. Some concepts of parallelism with respect to a given
transformation group. Duke Math. J., Tome 33 (1966) no. 1, pp. 151-163. http://gdmltest.u-ga.fr/item/1077376230/