@article{MP_1958_a30,
     author = {V. G. Boltyanskii},
     title = {{\CYRK}{\cyrn}{\cyri}{\cyrg}{\cyra} {\cyro} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri} {\cyrch}{\cyre}{\cyrt}{\cyrery}{\cyrr}{\cyre}{\cyrh} {\cyri}{\cyrz}{\cyrm}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {307--309},
     publisher = {mathdoc},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1958_a30/}
}