%0 Journal Article %A Pietrasik, Longin %T Estimation of the functional A_2 • A_3 In the class of bounded symmetric univalent functions %J Acta Universitatis Lodziensis. Folia Mathematica %D 1987 %V 02 %I mathdoc %U http://geodesic.mathdoc.fr/item/AULFM_1987_02_a2/ %G pl %F AULFM_1987_02_a2