TY - JOUR AU - P. Graczyk AU - P. Sawyer TI - The Product Formula for the Spherical Functions on Symmetric Spaces of Noncompact Type JO - Journal of Lie theory PY - 2003 SP - 247 EP - 261 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2003_13_1_JLT_2003_13_1_a13/ ID - JLT_2003_13_1_JLT_2003_13_1_a13 ER -