@article{MI_1977__44_189413,
     author = {{\CYRI}.{\CYRU}. {\CYRB}{\cyrr}{\cyro}{\cyrn}{\cyrsh}{\cyrt}{\cyre}{\cyrishrt}{\cyrn} and {\CYRV}.{\CYRF}. {\CYRCH}{\cyre}{\cyrr}{\cyrn}{\cyri}{\cyrishrt}},
     title = {{\CYRL}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyre} {\cyrr}{\cyra}{\cyrs}{\cyrsh}{\cyri}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {42--48},
     publisher = {mathdoc},
     volume = {44},
     year = {1977},
     zbl = {0426.54027},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1977__44_189413/}
}