@article{MI_1990__112_190075,
     author = {{\CYRV}.{\CYRA}. {\CYRG}{\cyrl}{\cyra}{\cyrv}{\cyra}{\cyrn}},
     title = {{\CYRA}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra} {\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrishrt} {\cyri} {\cyrb}{\cyrl}{\cyro}{\cyrch}{\cyrn}{\cyra}{\cyrya} {\cyrd}{\cyri}{\cyra}{\cyrg}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrz}{\cyru}{\cyre}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrb}{\cyrl}{\cyro}{\cyrch}{\cyrn}{\cyro}-{\cyrt}{\cyrr}{\cyre}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrv}{\cyri}{\cyrd}{\cyra}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {59--64},
     publisher = {mathdoc},
     volume = {112},
     year = {1990},
     zbl = {0825.58037},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__112_190075/}
}