TY - JOUR AU - Światak, Halina TI - A Characterization of Exponential Functions with Non-Linear Exponents JO - Canadian mathematical bulletin PY - 1975 SP - 277 EP - 281 VL - 18 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-052-5/ DO - 10.4153/CMB-1975-052-5 ID - 10_4153_CMB_1975_052_5 ER -