@article{MP_2003_a9,
     author = {S. M. Natanzon},
     title = {{\CYRS}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyri} {\cyrv}{\cyre}{\cyrshch}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyrery}{\cyre}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {116--125},
     publisher = {mathdoc},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2003_a9/}
}