@article{AFM_1984_9_1_a10,
     author = {Matti Lehtinen},
     title = {Remarks on the maximal dilatation of the {Beurling-Ahlfors} extension},
     journal = {Annales Fennici Mathematici},
     pages = {133--139},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1984},
     doi = {10.5186/aasfm.1984.0910},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1984.0910/}
}