@article{JEMS_2010_12_3_a6,
     author = {Bo Guan and Joel Spruck},
     title = {Hypersurfaces of constant curvature in hyperbolic space {II}},
     journal = {Journal of the European Mathematical Society},
     pages = {797--817},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2010},
     doi = {10.4171/jems/215},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/215/}
}