@article{MZ_1995__219_2_174757,
     author = {Puqi Tang},
     title = {Quasiconformal homeomorphisms on {CR} 3-manifolds with symmetries.},
     journal = {Mathematische Zeitschrift},
     pages = {49--70},
     publisher = {mathdoc},
     volume = {219},
     number = {2},
     year = {1995},
     zbl = {0823.32010},
     url = {http://geodesic.mathdoc.fr/item/MZ_1995__219_2_174757/}
}