@article{1103038896,
author = {O'Neill, Barrett},
title = {An algebraic criterion for immersion.},
journal = {Pacific J. Math.},
volume = {9},
number = {4},
year = {1959},
pages = { 1239-1247},
language = {en},
url = {http://dml.mathdoc.fr/item/1103038896}
}
O'Neill, Barrett. An algebraic criterion for immersion.. Pacific J. Math., Tome 9 (1959) no. 4, pp. 1239-1247. http://gdmltest.u-ga.fr/item/1103038896/