@article{DAN_1976_229_1_a22, author = {Yu. N. Lyubitov}, title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYREREV}{\cyrf}{\cyrf}{\cyre}{\cyrk}{\cyrt}} {{\CYRD}{\cyro}{\cyrp}{\cyrl}{\cyre}{\cyrr}{\cyra}} {\cyrp}{\cyrr}{\cyri} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyre}{\cyrya}{\cyrn}{\cyri}{\cyri} {\cyrm}{\cyro}{\cyrl}{\cyre}{\cyrk}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyru}{\cyrch}{\cyrk}{\cyro}{\cyrv}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~225, {\No~3,} 1975~{\cyrg}.)}, journal = {Doklady Akademii Nauk}, pages = {10}, publisher = {mathdoc}, volume = {229}, number = {1}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_1_a22/} }