@article{KUKZ_1972_9_9_a14,
     author = {V. V. Klokov and A. V. Kosterin and M. T. Nuzhin},
     title = {{\CYRO}~{\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyri}
},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {132--140},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1972_9_9_a14/}
}