@article{DAN_1957_117_4_a31,
     author = {L. M. Volstein and M. F. Mogilevkina},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRK}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyrn}{\cyrery}{\cyre}} {\cyrs}{\cyro}{\cyre}{\cyrd}{\cyri}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrd}{\cyrv}{\cyru}{\cyrh}{\cyrv}{\cyra}{\cyrl}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyrl}{\cyra}{\cyrt}{\cyri}{\cyrn}{\cyrery} 
},
     journal = {Doklady Akademii Nauk},
     pages = {550},
     publisher = {mathdoc},
     volume = {117},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a31/}
}