@article{MP_1937_1_10_a8,
     author = {E. K. Khilkevich},
     title = {{\CYRN}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrk}{\cyro} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv} {\cyrp}{\cyre}{\cyrr}{\cyrs}{\cyrp}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrt}{\cyrr}{\cyre}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {30--33},
     year = {1937},
     volume = {Ser. 1, 10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1937_1_10_a8/}
}