@article{MP_1937_1_10_a1,
     author = {N. A. Izvolskii},
     title = {{\CYRO} {\cyrt}{\cyrr}{\cyre}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyre} {\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyra}, {\cyrv}{\cyrp}{\cyri}{\cyrs}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrv}~{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrishrt} {\cyrt}{\cyrr}{\cyre}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {5--10},
     year = {1937},
     volume = {Ser. 1, 10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_1_10_a1/}
}