@article{MS_1974__136_3_a4,
     author = {{\CYRI}.{\CYRF}. {\CYRD}{\cyro}{\cyrn}{\cyri}{\cyrn}},
     title = {{\CYRP}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrs}{\cyre}{\cyrm}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrd}{\cyre}{\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyra}{\cyrc}{\cyri}{\cyrishrt} {\cyrd}{\cyrl}{\cyrya} {\cyrg}{\cyro}{\cyrl}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrn}{\cyra}{\cyrd} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyra}{\cyrk}{\cyrt}{\cyrn}{\cyrery}{\cyrm} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyrn}{\cyrery}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyro}{\cyrm}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {430--443},
     publisher = {mathdoc},
     volume = {136},
     number = {3},
     year = {1974},
     zbl = {0325.32008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1974__136_3_a4/}
}