TY - JOUR AU - Casselman, W. AU - Shalika, J. TI - The unramified principal series of $p$-adic groups. II. The Whittaker function JO - Compositio Mathematica PY - 1980 SP - 207 EP - 231 VL - 41 IS - 2 PB - Sijthoff et Noordhoff International Publishers UR - http://www.numdam.org/item/CM_1980__41_2_207_0/ LA - en ID - CM_1980__41_2_207_0 ER -