%0 Journal Article %A Sarkar, Rudra P. %A Sengupta, Jyoti %T Beurling's Theorem and Characterization of Heat Kernel for Riemannian Symmetric Spaces of Noncompact Type %J Canadian mathematical bulletin %D 2007 %P 291-312 %V 50 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-029-6/ %R 10.4153/CMB-2007-029-6 %F 10_4153_CMB_2007_029_6