%0 Journal Article %A José M. Espinar %A José A. Gálvez %A Pablo Mira %T Hypersurfaces in $\mathbb{H}^{n+1}$ and conformally invariant equations: the generalized Christoffel and Nirenberg problems %J Journal of the European Mathematical Society %D 2009 %P 903-939 %V 11 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/170/ %R 10.4171/jems/170 %F JEMS_2009_11_4_a6