@article{01139288,
title = {Hyperbolic functions that linearize inverted manifold surfaces.},
journal = {Southwest Journal of Pure and Applied Mathematics [electronic only]},
volume = {1},
year = {1996},
pages = {62-75},
zbl = {0896.34037},
language = {en},
url = {http://dml.mathdoc.fr/item/01139288}
}
Bossart, Theodore C. Hyperbolic functions that linearize inverted manifold surfaces.. Southwest Journal of Pure and Applied Mathematics [electronic only], Tome 1 (1996) pp. 62-75. http://gdmltest.u-ga.fr/item/01139288/