%0 Journal Article %A Hiro-aki Narita %T On the Rapidly Decreasing Property of Whittaker Functions for Sp(2,R) %J Journal of Lie Theory %D 2025 %P 55-82 %V 35 %N 1 %U http://geodesic.mathdoc.fr/item/JOLT_2025_35_1_a3/ %F JOLT_2025_35_1_a3