@article{10_4064_ap_55_1_277_281,
     author = {Dariusz Partyka},
     title = {A distortion theorem for quasiconformal automorphisms of the unit disk},
     journal = {Annales Polonici Mathematici},
     pages = {277--281},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1991},
     doi = {10.4064/ap-55-1-277-281},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-55-1-277-281/}
}