%0 Journal Article %A I. Shilin %T SO(2,1)-Invariant Double Integral Transforms and Formulas for the Whittaker Functions %J Mathematica balkanica %D 2012 %P 241 %V 26 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2012_26_1-2_a22/ %F MABA_2012_26_1-2_a22