TY - JOUR AU - Sarkar, Rudra P. AU - Sengupta, Jyoti TI - Beurling's Theorem and Characterization of Heat Kernel for Riemannian Symmetric Spaces of Noncompact Type JO - Canadian mathematical bulletin PY - 2007 SP - 291 EP - 312 VL - 50 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-029-6/ DO - 10.4153/CMB-2007-029-6 ID - 10_4153_CMB_2007_029_6 ER -