@article{SEMR_2015_12_a40,
     author = {N. V. Abrosimov and L. A. Mikaiylova},
     title = {Casey's theorem in hyperbolic geometry},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {354--360},
     publisher = {mathdoc},
     volume = {12},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2015_12_a40/}
}