@article{AFM_2012_37_2_a13,
     author = {Dariusz Partyka and Ken-ichi Sakan},
     title = {A simple deformation of quasiconformal harmonic mappings in the unit disk},
     journal = {Annales Fennici Mathematici},
     pages = {539--556},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2012},
     doi = {10.5186/aasfm.2012.3731},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2012.3731/}
}