@article{MS_1977__145_2_a4,
     author = {{\CYRV}.{\CYRA}. {\CYRP}{\cyro}{\cyrp}{\cyro}{\cyrv} and {\CYRP}.{\CYRP}. {\CYRP}{\cyre}{\cyrt}{\cyrr}{\cyru}{\cyrsh}{\cyre}{\cyrv}},
     title = {{\CYRT}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyrishrt} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyro}{\cyrk} {\cyrn}{\cyra}{\cyri}{\cyrl}{\cyru}{\cyrch}{\cyrsh}{\cyre}{\cyrg}{\cyro} {\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {285--292},
     publisher = {mathdoc},
     volume = {145},
     number = {2},
     year = {1977},
     zbl = {0363.41012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1977__145_2_a4/}
}