TY - JOUR AU - Baker, John A. TI - Functional Equations, Distributions and Approximate Identities JO - Canadian journal of mathematics PY - 1990 SP - 696 EP - 708 VL - 42 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-036-1/ DO - 10.4153/CJM-1990-036-1 ID - 10_4153_CJM_1990_036_1 ER -