TY - JOUR AU - Supama AU - Soeparna Darmawijaya TI - Superposition Operators on JO - Bulletin of the Malaysian Mathematical Society PY - 2004 VL - 27 IS - 1 UR - http://geodesic.mathdoc.fr/item/BMMS_2004_27_1_a4/ ID - BMMS_2004_27_1_a4 ER -