@article{10_4064_ap_22_2_243_253,
     author = {L. Siewierski},
     title = {On the maximum of the functional $|a_3}-\ensuremath{\alpha}a^2_2|$ in the classes of quasi-starlike functions},
     journal = {Annales Polonici Mathematici},
     pages = {243--253},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1969},
     doi = {10.4064/ap-22-2-243-253},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-22-2-243-253/}
}