@article{AFM_1983_8_1_a11,
     author = {Matti Lehtinen},
     title = {The dilatation of {Beurling-Ahlfors} extensions of quasisymmetric functions},
     journal = {Annales Fennici Mathematici},
     pages = {187--191},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1983},
     doi = {10.5186/aasfm.1983.0817},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1983.0817/}
}