@article{GDZPPN00205681X,
title = {On the immersion of n-manifolds in (n+1)-space.},
journal = {Commentarii mathematici Helvetici},
volume = {30},
year = {1956},
pages = {275-284},
zbl = {0070.40202},
url = {http://dml.mathdoc.fr/item/GDZPPN00205681X}
}
Milnor, John. On the immersion of n-manifolds in (n+1)-space.. Commentarii mathematici Helvetici, Tome 30 (1956) pp. 275-284. http://gdmltest.u-ga.fr/item/GDZPPN00205681X/