@article{01702497,
title = {Pseudo-umbilical spacelike submanifolds in the indefinite space form.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {6},
year = {2001},
pages = {117-121},
zbl = {0992.53042},
language = {en},
url = {http://dml.mathdoc.fr/item/01702497}
}
Cao, Xi-Fang. Pseudo-umbilical spacelike submanifolds in the indefinite space form.. Balkan Journal of Geometry and its Applications (BJGA), Tome 6 (2001) pp. 117-121. http://gdmltest.u-ga.fr/item/01702497/