@article{PIM_1976_N_S_20_34_a17,
     author = {{\CYRB}{\cyro}{\cyrsh}{\cyrk}{\cyro} {\CYRISHRT}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyri}{\cyrch}},
     title = {{\CYRO} {{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyre}} {{\CYRF}{\cyre}{\cyro}{\cyrd}{\cyro}{\cyrr}{\cyre}{\cyrn}{\cyrk}{\cyro}-{\CYRB}{\cyra}{\cyrh}{\cyrv}{\cyra}{\cyrl}{\cyro}{\cyrv}{\cyra}} {{\CYRD}{\cyrl}{\cyrya}} {{\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya}} {{\CYRR}{\cyra}{\cyrz}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrn}{\cyro}{\cyrg}{\cyro}} {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}} {{\CYRP}{\cyru}{\cyra}{\cyrs}{\cyrs}{\cyro}{\cyrn}{\cyra}} {{\CYRV}} {{\CYRC}{\cyri}{\cyrl}{\cyri}{\cyrn}{\cyrd}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt}} {{\CYRS}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyre}} {{\CYRK}{\cyro}{\cyro}{\cyrr}{\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrt}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {145 },
     publisher = {mathdoc},
     volume = {_N_S_20},
     number = {34},
     year = {1976},
     url = {http://geodesic.mathdoc.fr/item/PIM_1976_N_S_20_34_a17/}
}