@article{KUKZ_1967_4_4_a7,
     author = {O. M. Kiselev and L. K. Gadeeva},
     title = {{\CYRI}{\cyrs}{\cyrt}{\cyre}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrt}{\cyrya}{\cyrzh}{\cyre}{\cyrl}{\cyro}{\cyrishrt}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {61--65},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1967_4_4_a7/}
}