%0 Journal Article %A Supama %A Soeparna Darmawijaya %T Superposition Operators on %J Bulletin of the Malaysian Mathematical Society %D 2004 %V 27 %N 1 %U http://geodesic.mathdoc.fr/item/BMMS_2004_27_1_a4/ %F BMMS_2004_27_1_a4