@article{MO_2011_58_2_a3,
     author = {D. A. Lachinov and A. Lyakhov},
     title = {{\CYRK}{\cyrr}{\cyri}{\cyrp}{\cyrt}{\cyro}{\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyra} {\cyrs} {\cyro}{\cyrt}{\cyrk}{\cyrr}{\cyrery}{\cyrt}{\cyrery}{\cyrm} {\cyrk}{\cyrl}{\cyryu}{\cyrch}{\cyro}{\cyrm}, {\cyrs}{\cyro}{\cyrz}{\cyrd}{\cyra}{\cyrn}{\cyrn}{\cyra}{\cyrya} {\cyrn}{\cyra} {\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyre} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrb}{\cyri}{\cyrl}{\cyrsftsn}{\cyrya}{\cyrr}{\cyrd}{\cyra}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {19--28},
     publisher = {mathdoc},
     volume = {58},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2011_58_2_a3/}
}