@article{MS_1957__83_2_a1,
     author = {{\CYRA}.{\CYRA}. {\CYRZ}{\cyrery}{\cyrk}{\cyro}{\cyrv}},
     title = {{\CYRA}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyrery} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {159--176},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {1957},
     zbl = {0079.02401},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1957__83_2_a1/}
}