@article{MI_1989__106_190050,
     author = {{\CYRI}{\cyrs}{\cyra}{\cyra}{\cyrk} {\CYRK}{\cyrv}{\cyra}{\cyrm}{\cyre} {\CYRD}{\cyro}{\cyrn}{\cyrt}{\cyrv}{\cyri}},
     title = {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri} {\cyrp}{\cyro}{\cyrch}{\cyrt}{\cyri} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrs} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrv}{\cyro}{\cyrz}{\cyrm}{\cyru}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {72--78},
     publisher = {mathdoc},
     volume = {106},
     year = {1989},
     zbl = {0704.34050},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1989__106_190050/}
}