@article{10_4064_fm_86_1_69_90,
     author = {{\CYRV}. {\CYRF}{\cyre}{\cyrd}{\cyro}{\cyrr}{\cyrch}{\cyru}{\cyrk}},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {{\CYRA}.} {{\CYRN}.} {{\CYRT}{\cyri}{\cyrh}{\cyro}{\cyrn}{\cyro}{\cyrv}{\cyra}} {\cyro} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyri}{\cyrf}{\cyrk}{\cyra}{\cyrc}{\cyri}{\cyri} {{\CYRN}-{\cyrz}{\cyra}{\cyrm}{\cyrk}{\cyrn}{\cyru}{\cyrt}{\cyrery}{\cyrh}} {\cyrr}{\cyra}{\cyrs}{\cyrsh}{\cyri}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyri}},
     journal = {Fundamenta Mathematicae},
     pages = {69--90},
     publisher = {mathdoc},
     volume = {86},
     number = {1},
     year = {1974},
     doi = {10.4064/fm-86-1-69-90},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-86-1-69-90/}
}