@article{02100139,
title = {Mean curvature comparison for tubular hypersurfaces in symmetric spaces.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {8},
year = {2003},
pages = {53-62},
zbl = {1063.53063},
language = {en},
url = {http://dml.mathdoc.fr/item/02100139}
}
Gual-Arnau, X.; Masó, R. Mean curvature comparison for tubular hypersurfaces in symmetric spaces.. Balkan Journal of Geometry and its Applications (BJGA), Tome 8 (2003) pp. 53-62. http://gdmltest.u-ga.fr/item/02100139/