@article{AFM_1996_21_1_a6,
     author = {Reiner K\"uhnau},
     title = {Zur quasikonformen {Spiegelung}},
     journal = {Annales Fennici Mathematici},
     pages = {101--109},
     year = {1996},
     volume = {21},
     number = {1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/AFM_1996_21_1_a6/}
}