@article{MI_1990__117_190104,
     author = {{\CYRV}.{\CYRI}. {\CYRK}{\cyre}{\cyrr}{\cyrch}{\cyrm}{\cyra}{\cyrn}},
     title = {{\CYRA}{\cyrv}{\cyrt}{\cyro}{\cyrm}{\cyro}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyrr}{\cyra}{\cyrs}{\cyrt}{\cyre}{\cyrk}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyri} {\cyrv}{\cyrery}{\cyrd}{\cyra}{\cyrv}{\cyrl}{\cyri}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyrl}{\cyro}{\cyrya} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}- {\cyrv}{\cyrya}{\cyrz}{\cyrk}{\cyro}{\cyrishrt} {\cyrzh}{\cyri}{\cyrd}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {18--25},
     publisher = {mathdoc},
     volume = {117},
     year = {1990},
     zbl = {0719.76024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__117_190104/}
}