@article{KUKZ_1990_24_24_a8,
     author = {A. V. Kiselev and S. R. Nasyrov},
     title = {The structure of the set of roots of {F.} {D.~Gakhov's} equation for a simply connected and a multiply connected domain},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {105--115},
     year = {1990},
     volume = {24},
     number = {24},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1990_24_24_a8/}
}