@article{MP_1959_2_4_a13,
     author = {V. G. Kopp},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrt}{\cyri}{\cyrp}{\cyre} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrv}{\cyro}{\cyrishrt} {\cyrn}{\cyro}{\cyrm}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrm}{\cyrm}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {171--174},
     year = {1959},
     volume = {Ser. 2, 4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1959_2_4_a13/}
}