@article{GDZPPN002086247,
title = {Submersions and Immersions of Manifolds.},
journal = {Inventiones mathematicae},
volume = {1},
year = {1966},
pages = {171-177},
zbl = {0146.19803},
url = {http://dml.mathdoc.fr/item/GDZPPN002086247}
}
JAMES, I.; THOMAS, E. Submersions and Immersions of Manifolds.. Inventiones mathematicae, Tome 1 (1966) pp. 171-177. http://gdmltest.u-ga.fr/item/GDZPPN002086247/