@article{AL_2022_61_5_a6,
     author = {P. E. Alaev},
     title = {{\CYRK}{\cyrr}{\cyri}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyrishrt} $\mathrm{P}$-{\cyrv}{\cyrery}{\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs}{\cyrt}{\cyrr}{\cyru}{\cyrk}{\cyrt}{\cyru}{\cyrr}},
     journal = {Algebra i logika},
     pages = {640--646},
     publisher = {mathdoc},
     volume = {61},
     number = {5},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2022_61_5_a6/}
}