@article{DAN_1973_210_3_a21,
     author = {I. K. Daugavet},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}} {\cyrn}{\cyre}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyrt}{\cyri}{\cyrp}{\cyra} {{\CYRM}{\cyra}{\cyrr}{\cyrk}{\cyro}{\cyrv}{\cyra}{\textendash}{\CYRN}{\cyri}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro}} {\cyrd}{\cyrl}{\cyrya} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrch}{\cyrl}{\cyre}{\cyrn}{\cyro}{\cyrv} {\cyrv} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyro}{\cyrm} {\cyrs}{\cyrl}{\cyru}{\cyrch}{\cyra}{\cyre}'' 
},
     journal = {Doklady Akademii Nauk},
     pages = {10},
     publisher = {mathdoc},
     volume = {210},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a21/}
}