@article{DAN_1976_226_2_a20,
     author = {M. Farber},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRK}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyrery}} {\cyrz}{\cyra}{\cyrc}{\cyre}{\cyrp}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyri} {\cyrd}{\cyrv}{\cyru}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrz}{\cyrl}{\cyrery}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~222, {\No~2,} 1975~{\cyrg}.)},
     journal = {Doklady Akademii Nauk},
     pages = {248},
     publisher = {mathdoc},
     volume = {226},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_2_a20/}
}