@article{MP_1935_1_2_a11,
     author = {N. F. Chetverukhin},
     title = {{\CYRI}{\cyrz}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrm}{\cyro}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyrery} {\cyrv} {\cyrp}{\cyrr}{\cyre}{\cyrp}{\cyro}{\cyrd}{\cyra}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyri} {\cyra}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrz}{\cyra} {\cyrb}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro} {\cyrm}{\cyra}{\cyrl}{\cyrery}{\cyrh}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {58--65},
     year = {1935},
     volume = {Ser. 1, 2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1935_1_2_a11/}
}