@article{KUKZ_1970_7_7_a5,
     author = {N. B. Il'inskii and M. T. Nuzhin},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyrh}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {71--77},
     publisher = {mathdoc},
     volume = {7},
     number = {7},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a5/}
}