@article{MP_2017_a9,
     author = {A. A. Klyachko and A. M. Mazhuga and A. N. Ponfilenko},
     title = {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrv}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrr}{\cyra}{\cyrz}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrn}{\cyra} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyri}
},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {136--144},
     publisher = {mathdoc},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2017_a9/}
}