@article{PIM_1972_N_S_13_27_a15,
     author = {{\CYRV}. {\CYRN}. {\CYRS}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}},
     title = {{\CYRO}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre} {{\CYRU}{\cyrn}{\cyri}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro}} {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}} {{\CYRT}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri}} {{\CYRL}{\cyra}{\cyrm}{\cyri}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyro}{\cyrg}{\cyro}} {{\CYRP}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyro}{\cyrg}{\cyro}} {{\CYRS}{\cyrl}{\cyro}{\cyrya}} {{\CYRL}.} {{\CYRG}.} {{\CYRL}{\cyro}{\cyrishrt}{\cyrc}{\cyrya}{\cyrn}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {105 },
     publisher = {mathdoc},
     volume = {_N_S_13},
     number = {27},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a15/}
}