@article{KUKZ_1972_9_9_a11,
     author = {N. B. Il'inskii and N. D. Yakimov},
     title = {{\CYRO}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyra}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {103--111},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1972_9_9_a11/}
}