@article{PIM_1972_N_S_13_27_a4,
     author = {{\CYRK}. {\CYRV}. {\CYRF}{\cyrr}{\cyro}{\cyrl}{\cyro}{\cyrv}},
     title = {{\CYRO} {{\CYRP}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyre}} {{\CYRV}{\cyri}{\cyrb}{\cyrr}{\cyro}{\cyrz}{\cyra}{\cyrshch}{\cyri}{\cyrt}{\cyrery}} {{\CYRCH}{\cyre}{\cyrl}{\cyro}{\cyrv}{\cyre}{\cyrk}{\cyra}-{\CYRO}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {31 },
     publisher = {mathdoc},
     volume = {_N_S_13},
     number = {27},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a4/}
}