%0 Journal Article %A L. Siewierski %T On the maximum of the functional $|a_3}-αa^2_2|$ in the classes of quasi-starlike functions %J Annales Polonici Mathematici %D 1969 %P 243-253 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-22-2-243-253/ %R 10.4064/ap-22-2-243-253 %G en %F 10_4064_ap_22_2_243_253