@article{MP_1957_2_1_a33,
     author = {Yu. M. Gaiduk},
     title = {{\CYRK}{\cyra}{\cyrk} {\cyrr}{\cyre}{\cyrsh}{\cyra}{\cyrt}{\cyrsftsn} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyru}{\cyryu} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyru} {({\CYRO}~{\cyrk}{\cyrn}{\cyri}{\cyrg}{\cyre}} {{\CYRG}.~{\CYRP}{\cyro}{\cyrl}{\cyri}{\cyra})}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {255--260},
     year = {1957},
     volume = {Ser. 2, 1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1957_2_1_a33/}
}