@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/} }