来源：Statistics & Probability Letters, 2008, 78(12): 1514-1516.
DOI：10.1016/j.spl.2008.01.001
摘要
In this short note the first open problem in Zhang [Zhang, Z.M., 2007. A note on extreme magnitudes of characteristic functions. Statist. Probab. Lett. 77, 1641-1643] is completely solved.
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