@article{MI_1989__106_190043,
     author = {{\CYRI}.{\CYRU}. {\CYRB}{\cyrr}{\cyro}{\cyrn}{\cyrsh}{\cyrt}{\cyre}{\cyrishrt}{\cyrn} and {\CYRA}.{\CYRYA}. {\CYRK}{\cyro}{\cyrp}{\cyra}{\cyrn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRG}{\cyrl}{\cyra}{\cyrd}{\cyrk}{\cyra}{\cyrya} {\cyrs}{\cyro}{\cyrp}{\cyrr}{\cyrya}{\cyrzh}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyri}{\cyrz}{\cyrm}{\cyro}{\cyrv} {\cyrv} {\cyro}{\cyrk}{\cyrr}{\cyre}{\cyrs}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrerev}{\cyrk}{\cyrs}{\cyrp}{\cyro}{\cyrn}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrd}{\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrya}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {3--11},
     publisher = {mathdoc},
     volume = {106},
     year = {1989},
     zbl = {0703.58009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1989__106_190043/}
}