@article{AFM_1975_581-600_a8,
     author = {Ronald Kortram and Olli Tammi},
     title = {On the first coefficient regions of bounded univalent functions},
     journal = {Annales Fennici Mathematici},
     publisher = {mathdoc},
     volume = {581-600},
     year = {1975},
     doi = {10.5186/aasfm.1975.592},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1975.592/}
}