@article{10_21136_MB_1991_126143,
     author = {Chv\'al, Viliam and Kopas, Melichar},
     title = {{\CYRP}{\cyrr}{\cyre}{\cyrd}{\cyrs}{\cyrt}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrr}{\cyre}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyro}{\cyrn}{\cyrf}{\cyri}{\cyrg}{\cyru}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyrishrt}},
     journal = {Mathematica Bohemica},
     pages = {119--131},
     publisher = {mathdoc},
     volume = {116},
     number = {2},
     year = {1991},
     doi = {10.21136/MB.1991.126143},
     mrnumber = {1111997},
     zbl = {0731.51003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1991.126143/}
}