@article{SEMR_2023_20_1_a20,
     author = {N. Abrosimov and S. Stepanishchev},
     title = {The volume of a trirectangular hyperbolic tetrahedron},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {275--284},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2023_20_1_a20/}
}