@article{KUKZ_1972_9_9_a1,
     author = {L. A. Aksent'ev and Yu. A. Reshetnikov},
     title = {{\CYRI}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {12--22},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1972_9_9_a1/}
}