@article{PIM_1973_N_S_16_30_a1,
     author = {{\CYRD}. {\CYRD}. {\CYRB}{\cyra}{\cyrishrt}{\cyrn}{\cyro}{\cyrv} and {\CYRS}. {\CYRD}. {\CYRM}{\cyri}{\cyrl}{\cyru}{\cyrsh}{\cyre}{\cyrv}{\cyra}},
     title = {{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyrery} {{\CYRU}{\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}} {{\CYRD}{\cyrl}{\cyrya}} {{\CYRO}{\cyrd}{\cyrn}{\cyro}{\cyrishrt}} {{\CYRD}{\cyrv}{\cyru}{\cyrh}{\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrishrt}} {{\CYRK}{\cyrr}{\cyra}{\cyre}{\cyrv}{\cyro}{\cyrishrt}} {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}} {{\CYRD}{\cyrl}{\cyrya}} {{\CYRS}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}} {{\CYRI}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyro}-{\CYRD}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh}} {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}} {{\CYRN}{\cyre}} {{\CYRR}{\cyra}{\cyrz}{\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh}} {{\CYRO}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}} {{\CYRP}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {13 },
     publisher = {mathdoc},
     volume = {_N_S_16},
     number = {30},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/PIM_1973_N_S_16_30_a1/}
}