@article{10_4064_ap111_1_7,
     author = {Takao Kato and Toshiyuki Sugawa and Li-Mei Wang},
     title = {Variability regions of close-to-convex functions},
     journal = {Annales Polonici Mathematici},
     pages = {89--105},
     publisher = {mathdoc},
     volume = {111},
     number = {1},
     year = {2014},
     doi = {10.4064/ap111-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap111-1-7/}
}