@article{IVM_1969_9_a14,
     author = {L. I. Chibrikova and \`E. A. Fetter},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrs}{\cyri}{\cyrn}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyro}{\cyrm} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrm} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyri}, {\cyrs}{\cyrv}{\cyrya}{\cyrz}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrs} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyrishrt} {\cyri}{\cyrt}{\cyre}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyrishrt} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {109--120},
     publisher = {mathdoc},
     number = {9},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1969_9_a14/}
}