@article{TMF_2009_160_1_a17,
     author = {B. Pelloni},
     title = {Spectral analysis of the~elliptic {sine-Gordon} equation in the~quarter plane},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {189--201},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a17/}
}