@article{MO_2010_a0,
     author = {\`E. T. Avanesov and V. A. Gusev},
     title = {{\CYRP}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrsftsn}{\cyryu}{\cyrt}{\cyre}{\cyrr}{\cyro}{\cyrv} {\cyrv} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyre}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {2--7},
     publisher = {mathdoc},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2010_a0/}
}