@article{PIM_1973_N_S_15_29_a16,
     author = {{\CYRISHRT}. {\CYRM}. {\CYRS}{\cyrt}{\cyro}{\cyrya}{\cyrn}{\cyro}{\cyrv} and {\CYRD}. {\CYRD}. {\CYRB}{\cyra}{\cyrishrt}{\cyrn}{\cyro}{\cyrv}},
     title = {{\CYRO}{\cyrb} {{\CYRO}{\cyrd}{\cyrn}{\cyro}{\cyrishrt}} {{\CYRS}{\cyrh}{\cyre}{\cyrm}{\cyre}} {{\CYRU}{\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}} {{\CYRD}{\cyrl}{\cyrya}} {{\CYRS}{\cyrt}{\cyro}{\cyrh}{\cyra}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh}} {{\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}}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {133 },
     publisher = {mathdoc},
     volume = {_N_S_15},
     number = {29},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/PIM_1973_N_S_15_29_a16/}
}