@article{01416096,
title = {On the hyperbolic Dirichlet to Neumann functional.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {56},
year = {1999},
pages = {389-408},
zbl = {0940.35124},
language = {en},
url = {http://dml.mathdoc.fr/item/01416096}
}
Cardoso, F.; Cuevas, C. On the hyperbolic Dirichlet to Neumann functional.. Portugaliae Mathematica. Nova Série, Tome 56 (1999) pp. 389-408. http://gdmltest.u-ga.fr/item/01416096/