@article{KUKZ_1976_13_13_a12,
     author = {N. B. Il'inskii and Z. \`E. Khairullin},
     title = {{\CYRN}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyre} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyre}},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {112--119},
     year = {1976},
     volume = {13},
     number = {13},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a12/}
}