@article{03624377,
title = {(n-2)-tightness and curvature of submanifolds with boundary.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {1},
year = {1978},
pages = {421-431},
doi = {10.1155/S0161171278000423},
zbl = {0402.53035},
language = {en},
url = {http://dml.mathdoc.fr/item/03624377}
}
Kühnel, Wolfgang. (n-2)-tightness and curvature of submanifolds with boundary.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 421-431. doi : 10.1155/S0161171278000423. http://gdmltest.u-ga.fr/item/03624377/