@article{MI_1971__6_3_189102,
     author = {{\CYRM}.{\CYRS}. {\CYRB}{\cyrr}{\cyro}{\cyrd}{\cyrs}{\cyrk}{\cyri}{\cyrishrt} and {\CYRG}.{\CYREREV}. {\CYRK}{\cyri}{\cyrs}{\cyri}{\cyrl}{\cyre}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRK} {\cyrv}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyru} {\cyro} {\cyrr}{\cyra}{\cyrs}{\cyrp}{\cyra}{\cyrd}{\cyre} {\cyrd}{\cyri}{\cyrs}{\cyrs}{\cyri}{\cyrp}{\cyra}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv} {\cyrn}{\cyra} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrk}{\cyrl}{\cyre}{\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyre}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {162--167},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {1971},
     zbl = {0247.47029},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1971__6_3_189102/}
}