@article{MS2_1977__40_166521,
     author = {Pekka Tukia},
     title = {The space of quasisymmetric mappings.},
     journal = {Mathematica Scandinavica},
     pages = {127--142},
     publisher = {mathdoc},
     volume = {40},
     year = {1977},
     zbl = {0353.32028},
     url = {http://geodesic.mathdoc.fr/item/MS2_1977__40_166521/}
}