@article{MS_1972__131_2_a13,
     author = {{\CYRE}.{\CYRM}. {\CYRN}{\cyri}{\cyrk}{\cyri}{\cyrsh}{\cyri}{\cyrn}},
     title = {{\CYRM}{\cyrn}{\cyro}{\cyrzh}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyri} {{\CYRV}{\cyre}{\cyrishrt}{\cyrl}{\cyrya}} {\cyrd}{\cyrl}{\cyrya} {\cyrk}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyrya}{\cyrd}{\cyro}{\cyrv} {{\CYRF}{\cyru}{\cyrr}{\cyrsftsn}{\cyre}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {340--348},
     publisher = {mathdoc},
     volume = {131},
     number = {2},
     year = {1972},
     zbl = {0258.42029},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1972__131_2_a13/}
}