%0 Journal Article %A Mednykh, A.D. %A Pashkevich, M.G. %T Elementary formulas for a hyperbolic tetrahedron. %J Sibirskij Matematicheskij Zhurnal %D 2006 %P 831 %V 47 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_4_54757/ %G en %F SMZ_2006__47_4_54757