%0 Journal Article %A Siejka, Henryka %T Some external problems in the class of holomorphic univalent functions %J Acta Universitatis Lodziensis. Folia Mathematica %D 1991 %V 04 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1991_04_a9/ %G en %F AULFM_1991_04_a9