@article{VMJ_2023_25_4_a5,
     author = {A. V. Kostin},
     title = {On analogues of the {Fuhrmann's} theorem on the {Lobachevsky} plane},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {58--67},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2023_25_4_a5/}
}