@article{MI_1990__112_190083,
     author = {{\CYRI}.{\CYRV}. {\CYRS}{\cyru}{\cyrv}{\cyre}{\cyrishrt}{\cyrk}{\cyra}},
     title = {{\CYRO}{\cyrb} {\cyra}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrm} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyri} {\cyrb}{\cyro}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyro}{\cyrm} {\cyrv}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyri} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyrm}{\cyre}{\cyrsh}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrs} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyru}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrya}{\cyrm}{\cyri} {{\CYRD}{\cyri}{\cyrr}{\cyri}{\cyrh}{\cyrl}{\cyre}} {\cyrd}{\cyrl}{\cyrya} {\cyrp}{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrv}{\cyrery}{\cyrs}{\cyro}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra} {\cyrv} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {143--152},
     publisher = {mathdoc},
     volume = {112},
     year = {1990},
     zbl = {0825.35021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__112_190083/}
}