@misc{DAN_1957_113_3_a41,
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {{\CYRV}.\,H.~{\CYRI}{\cyrv}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyra}} {``{\CYRM}{\cyru}{\cyrl}{\cyrsftsn}{\cyrt}{\cyri}{\cyrp}{\cyrl}{\cyri}{\cyrk}{\cyra}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrishrt}} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl} {\cyri} {\cyrp}{\cyro}{\cyrch}{\cyrt}{\cyri}-{\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrm}{\cyra}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~109, {\No~5,} 1956~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {486},
     publisher = {mathdoc},
     volume = {113},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a41/}
}