@article{10_4064_sm_43_2_125_138,
     author = {{\CYRS}. {\CYRT}{\cyrr}{\cyro}{\cyrya}{\cyrn}{\cyrs}{\cyrk}{\cyri}},
     title = {{\CYRO}{\cyrb} {\cyrerev}{\cyrk}{\cyrv}{\cyri}{\cyrv}{\cyra}{\cyrl}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyra}{\cyrh} {\cyri} {\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrh} {\cyrv} {\cyrn}{\cyre}{\cyrs}{\cyre}{\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrb}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {{\CYRB}{\cyra}{\cyrn}{\cyra}{\cyrh}{\cyra}}},
     journal = {Studia Mathematica},
     pages = {125--138},
     publisher = {mathdoc},
     volume = {43},
     number = {2},
     year = {1972},
     doi = {10.4064/sm-43-2-125-138},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-43-2-125-138/}
}