TY - JOUR AU - L. N. Romakina TI - On the area of a~trihedral on a~hyperbolic plane of positive curvature JO - Matematičeskie trudy PY - 2014 SP - 184 EP - 206 VL - 17 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_2014_17_2_a9/ LA - ru ID - MT_2014_17_2_a9 ER -