@article{MP_2023_3_30_a13,
     author = {A. I. Bikeev},
     title = {{\CYRP}{\cyri}{\cyrs}{\cyrsftsn}{\cyrm}{\cyro} {\cyrv} {\cyrr}{\cyre}{\cyrd}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyryu}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {165--166},
     year = {2023},
     volume = {Ser. 3, 30},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2023_3_30_a13/}
}