@article{MP_2008_a15,
     author = {S. L. Tabachnikov and D. B. Fuchs},
     title = {{\CYRD}{\cyrv}{\cyra}{\cyrd}{\cyrc}{\cyra}{\cyrt}{\cyrsftsn} {\cyrs}{\cyre}{\cyrm}{\cyrsftsn} {\cyrp}{\cyrr}{\cyrya}{\cyrm}{\cyrery}{\cyrh}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {145--160},
     publisher = {mathdoc},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2008_a15/}
}