@article{MP_1934_a7,
     author = {N. N. Nikitin},
     title = {{\CYRU}{\cyrs}{\cyrp}{\cyre}{\cyrv}{\cyra}{\cyre}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyro} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrk}{\cyre} {\cyrv} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyrc}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyra}{\cyrh} {{\CYRR}{\CYRS}{\CYRF}{\CYRS}{\CYRR}} {\cyrn}{\cyra} {\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrt}{\cyrr}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrt}, {\cyrp}{\cyrr}{\cyro}{\cyrv}{\cyre}{\cyrd}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {{\CYRN}{\CYRK}{\CYRP}} {\cyrv} {\cyrn}{\cyro}{\cyrya}{\cyrb}{\cyrr}{\cyre} 1933 {\cyrg}{\cyro}{\cyrd}{\cyra}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {47--62},
     publisher = {mathdoc},
     year = {1934},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1934_a7/}
}