@article{10_2298_PIM0475077K,
     author = {K\"uhnau, Reiner},
     title = {Quasiconformal reflection coefficient and {Fredholm} eigenvalue of an ellipse of hyperbolic geometry.},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {77},
     publisher = {mathdoc},
     volume = {75(89)},
     year = {2004},
     doi = {10.2298/PIM0475077K},
     zbl = {1079.30020},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.2298/PIM0475077K/}
}