@article{MS_1974__136_3_a7,
     author = {{\CYRS}.{\CYRI}. {\CYRP}{\cyri}{\cyrn}{\cyrch}{\cyru}{\cyrk}},
     title = {{\CYRT}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyra} {{\CYRB}{\cyro}{\cyrg}{\cyro}{\cyrl}{\cyryu}{\cyrb}{\cyro}{\cyrv}{\cyra}} {\cyro}{\cyrb} },
     journal = {Matemati\v{c}eskij sbornik},
     pages = {468--482},
     publisher = {mathdoc},
     volume = {136},
     number = {3},
     year = {1974},
     zbl = {0307.32013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1974__136_3_a7/}
}