%0 Journal Article %A Soraya Sherif %T Trauberian constants for general triangular matrices and certain special types of Hausdorff means. %J Mathematische Zeitschrift %D 1965 %P 312-323 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1965__89_170447/ %F MZ_1965__89_170447