@article{KUKZ_1970_7_7_a23,
     author = {L. M. Kotlyar and A. G. Terentyev},
     title = {{\CYRO}{\cyrb}{\cyrt}{\cyre}{\cyrk}{\cyra}{\cyrn}{\cyri}{\cyre}},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {178--182},
     year = {1970},
     volume = {7},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a23/}
}