@article{IVM_1972_10_a6,
     author = {N. B. Il'inskii and E. G. Sheshukov},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrishrt} {\cyrf}{\cyri}{\cyrl}{\cyrsftsn}{\cyrt}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyrs} {\cyrn}{\cyre}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrl}{\cyri}{\cyrs}{\cyrt}{\cyrn}{\cyro}{\cyrishrt} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyrsftsn}{\cyryu} {\cyrg}{\cyro}{\cyrd}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyra} {\cyrs}{\cyrk}{\cyro}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyri}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {34--40},
     publisher = {mathdoc},
     number = {10},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_10_a6/}
}