@article{KUKZ_1969_6_6_a8,
     author = {O. M. Kiselev and R. Z. Gubaidullina},
     title = {{\CYRK}{\cyra}{\cyrv}{\cyri}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyre}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {64--72},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1969_6_6_a8/}
}