@article{MO_2010_54_2_a3, author = {K. Vokaze}, title = {{\CYRK}{\cyra}{\cyrk} {\cyro}{\cyrb}{\cyru}{\cyrch}{\cyra}{\cyrt}{\cyrsftsn} {\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyryu} {\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyri}{\cyrk}{\cyro}{\cyrv} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrv} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrishrt} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyre}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {14--20}, publisher = {mathdoc}, volume = {54}, number = {2}, year = {2010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2010_54_2_a3/} }