@article{SEMR_2013_10_a26,
     author = {N. V. Abrosimov and G. A. Baigonakova},
     title = {Hyperbolic octahedron with $mmm$-symmetry},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {123--140},
     publisher = {mathdoc},
     volume = {10},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2013_10_a26/}
}