@article{PIM_1969_N_S_09_23_a18,
     author = {{\CYRV}. {\CYRA}. {\CYRV}{\cyru}{\cyrishrt}{\cyri}{\cyrch}{\cyri}{\cyrch}},
     title = {{\CYRO}{\cyrb}{\cyrshch}{\cyre}{\cyre} {{\CYRS}{\cyrl}{\cyre}{\cyrd}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyre}} {{\CYRP}{\cyrr}{\cyrya}{\cyrm}{\cyro}{\cyrg}{\cyro}} {{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra}} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}} {{\CYRO}{\cyrb}} {{\CYRU}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {139 },
     publisher = {mathdoc},
     volume = {_N_S_09},
     number = {23},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/PIM_1969_N_S_09_23_a18/}
}