@article{articlef1294efb,
title   = {Total absolute horospherical curvature of submanifolds in hyperbolic space},
author = {Buosi, Marcelo and Izumiya, Shyuichi and Ruas, Maria Aparecida Soares},
year = {2010},
doi = {10.1515/advgeom.2010.029},
journal   = {Advances in Geometry}
}