@article{MP_1936_1_5_a2,
     author = {R. N. Bonchkovskii},
     title = {{\CYRP}{\cyro}{\cyrk}{\cyrr}{\cyrery}{\cyrt}{\cyri}{\cyre} {\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyra}{\cyrm}{\cyri}, {\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyri}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrsh}{\cyre}{\cyrs}{\cyrt}{\cyri}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyra}{\cyrm}{\cyri} {\cyri}~{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyri}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrz}{\cyrv}{\cyre}{\cyrz}{\cyrd}{\cyrch}{\cyra}{\cyrt}{\cyrery}{\cyrm}{\cyri} {\cyrd}{\cyrv}{\cyre}{\cyrn}{\cyra}{\cyrd}{\cyrc}{\cyra}{\cyrt}{\cyri}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyra}{\cyrm}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {21--23},
     year = {1936},
     volume = {Ser. 1, 5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1936_1_5_a2/}
}