@article{05827283,
title = {Semigroup properties for the second fundamental form.},
journal = {Documenta Mathematica},
volume = {15},
year = {2010},
pages = {527-543},
zbl = {1208.58031},
language = {en},
url = {http://dml.mathdoc.fr/item/05827283}
}
Wang, Feng-Yu. Semigroup properties for the second fundamental form.. Documenta Mathematica, Tome 15 (2010) pp. 527-543. http://gdmltest.u-ga.fr/item/05827283/