%0 Journal Article %A O. Tammi %T On the use of the Grunsky-Nehari inequality for estimating the fourth coefficient of bounded univalent functions %J Colloquium Mathematicum %D 1967 %P 35-47 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-16-1-35-47/ %R 10.4064/cm-16-1-35-47 %G en %F 10_4064_cm_16_1_35_47