@article{DAN_1993_333_1_a3,
     author = {T. A. Mel'nik and S. A. Nazarov},
     title = {Asymptotic structure of the spectrum in a problem on harmonic},
     journal = {Doklady Akademii Nauk},
     pages = {13--15},
     publisher = {mathdoc},
     volume = {333},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a3/}
}