@article{MP_2019_a7,
     author = {A. V. Doledenok and A. N. Doledenok},
     title = {{\CYRP}{\cyro}{\cyrk}{\cyrr}{\cyrery}{\cyrt}{\cyri}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyra}{\cyrm}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {75--100},
     publisher = {mathdoc},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2019_a7/}
}