TY - JOUR AU - Al-Salam, Nadhla A. AU - Al-Salam, Waleed A. TI - On a Functional Equation JO - Canadian mathematical bulletin PY - 1979 SP - 235 EP - 237 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-030-x/ DO - 10.4153/CMB-1979-030-x ID - 10_4153_CMB_1979_030_x ER -