@article{MP_1959_a11,
     author = {Kh. M. Kogan},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyre} {\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrk}{\cyro}{\cyrv} {\cyrr}{\cyrya}{\cyrd}{\cyro}{\cyrv} {\cyrs}~{\cyrr}{\cyre}{\cyrk}{\cyru}{\cyrr}{\cyrr}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {155--160},
     publisher = {mathdoc},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1959_a11/}
}