@article{MM2_1987__59_155236,
     author = {Wolfgang Henke and Wolfgang Nettekoven},
     title = {The hyperbolic n-space as a graph in euclidean (6n-6)-space.},
     journal = {Manuscripta mathematica},
     pages = {13--20},
     publisher = {mathdoc},
     volume = {59},
     year = {1987},
     zbl = {0612.53034},
     url = {http://geodesic.mathdoc.fr/item/MM2_1987__59_155236/}
}