@article{1028998005,
author = {Chern, Shiing-shen and Lashof, Richard K.},
title = {On the total curvature of immersed manifolds. II.},
journal = {Michigan Math. J.},
volume = {5},
number = {1},
year = {1958},
pages = { 5-12},
language = {en},
url = {http://dml.mathdoc.fr/item/1028998005}
}
Chern, Shiing-shen; Lashof, Richard K. On the total curvature of immersed manifolds. II.. Michigan Math. J., Tome 5 (1958) no. 1, pp. 5-12. http://gdmltest.u-ga.fr/item/1028998005/