@article{MAN_1991__289_4_164801,
     author = {Kari Astala and Michel Zinsmeister},
     title = {Teichm\"uller spaces and {BMOA.}},
     journal = {Mathematische Annalen},
     pages = {613--626},
     publisher = {mathdoc},
     volume = {289},
     number = {4},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__289_4_164801/}
}