%0 Journal Article %A Olli Tammi %T On a method of extremalization in the class Sk of univalent functions %J Annales Fennici Mathematici %D 1963 %V 316-335 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1963.320/ %R 10.5186/aasfm.1963.320 %G en %F AFM_1963_316-335_a15