@article{PIM_1979_N_S_26_40_a27,
     author = {{\CYRM}. {\CYRK}. {\CYRP}{\cyro}{\cyrt}{\cyra}{\cyrn}{\cyro}{\cyrv} and {\CYRM}. {\CYRB}{\cyre}{\cyrr}{\cyri}{\cyrsh}{\cyra}},
     title = {{\CYRM}{\cyro}{\cyrd}{\cyru}{\cyrl}{\cyri} {{\CYRG}{\cyrl}{\cyra}{\cyrd}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri}} {{\CYRI}} {{\CYRK}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyrery}} {{\CYRF}{\cyru}{\cyrr}{\cyrsftsn}} {{\CYRP}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh}} {{\CYRF}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}} {{\CYRO}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro}} {{\CYRP}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrg}{\cyro}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {215 },
     publisher = {mathdoc},
     volume = {_N_S_26},
     number = {40},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/PIM_1979_N_S_26_40_a27/}
}