@article{KUKZ_1990_25_25_a8,
     author = {R. F. Gerfanov and V. G. Nasibulin},
     title = {{\CYRO}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyrya} {\cyrs}{\cyrk}{\cyro}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrp}{\cyrr}{\cyri} {{\CYREREV}{\CYRH}{\CYRO}} {\cyrk}{\cyra}{\cyrt}{\cyro}{\cyrd}{\cyro}{\cyrm} {\cyrs}{\cyro} {\cyrshch}{\cyre}{\cyrl}{\cyrsftsn}{\cyryu}},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {103--117},
     publisher = {mathdoc},
     volume = {25},
     number = {25},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1990_25_25_a8/}
}