@article{10_21136_CMJ_1991_102474,
     author = {Gurchenkov, Sergei A.},
     title = {{\CYRK} {\cyrt}{\cyrr}{\cyre}{\cyrm} {\cyrv}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyra}{\cyrm} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} $l$-{\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrishrt}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {405--410},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {1991},
     doi = {10.21136/CMJ.1991.102474},
     mrnumber = {1117793},
     zbl = {0755.06010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102474/}
}