@article{KVANT_2024_2_a3,
     author = {A. Belov and M. Sapir},
     title = {{\textquotedblleft}{\CYRN}{\cyra} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyri} {\cyrs}{\cyrv}{\cyro}{\cyri} $\dots${\textquotedblright}},
     journal = {Kvant},
     pages = {31, 34-40},
     year = {2024},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KVANT_2024_2_a3/}
}