@article{10_4064_sm_51_2_97_109,
     author = {{\CYRYU}. {\CYRA}{\cyrb}{\cyrr}{\cyra}{\cyrm}{\cyro}{\cyrv} and {\CYRD}. {\CYRH}{\cyra}{\cyrr}{\cyra}{\cyrz}{\cyro}{\cyrv}},
     title = {{\CYRN}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyre} {\cyrv}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrery} {\cyrs}{\cyrp}{\cyre}{\cyrk}{\cyrt}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrz}{\cyru}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv} {\cyrv} {\cyrl}{\cyro}{\cyrk}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh}},
     journal = {Studia Mathematica},
     pages = {97--109},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {1974},
     doi = {10.4064/sm-51-2-97-109},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-51-2-97-109/}
}