@article{MS_1987__174_1_a2,
     author = {{\CYRYU}.{\CYRA}. {\CYRK}{\cyro}{\cyrl}{\cyrm}{\cyra}{\cyrk}{\cyro}{\cyrv}},
     title = {{\CYRF}{\cyri}{\cyrn}{\cyri}{\cyrt}{\cyrn}{\cyra}{\cyrya} {\cyra}{\cyrp}{\cyrp}{\cyrr}{\cyro}{\cyrk}{\cyrs}{\cyri}{\cyrm}{\cyri}{\cyrr}{\cyru}{\cyre}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyro}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro} {\cyrs}{\cyro}{\cyrp}{\cyrr}{\cyrya}{\cyrzh}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrf}{\cyra}{\cyrk}{\cyrt}{\cyro}{\cyrr}-{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp} {\cyrs}{\cyrv}{\cyro}{\cyrb}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyre}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {64--72},
     publisher = {mathdoc},
     volume = {174},
     number = {1},
     year = {1987},
     zbl = {0617.20014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__174_1_a2/}
}