@article{CMFD_2020_66_4_a2,
     author = {V. A. Krasnov},
     title = {Volumes of polyhedra in {non-Euclidean} spaces of constant curvature},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {558--679},
     publisher = {mathdoc},
     volume = {66},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2020_66_4_a2/}
}