@article{MP_1935_1_4_a7,
     author = {N. A. Izvolskii},
     title = {{\CYRG}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrya} {{\CYRP}{\cyro}{\cyrn}{\cyrs}{\cyre}{\cyrl}{\cyre}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {41--64},
     year = {1935},
     volume = {Ser. 1, 4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1935_1_4_a7/}
}