@article{10_21136_CMJ_1978_101515,
     author = {Zubkov, Alexandr N.},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyryo}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyro}{\cyrb}{\cyrshch}{\cyri}{\cyrh} {\cyrb}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {{\CYRE}{\cyrv}{\cyrk}{\cyrl}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyra}} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {87--101},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1978},
     doi = {10.21136/CMJ.1978.101515},
     mrnumber = {0474154},
     zbl = {0386.53040},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101515/}
}