An extremal problem for Fourier transforms of probabilities

Shunlong Luo; Zhengmin Zhang

Comptes Rendus. Mathématique, Volume 341 (2005) no. 5 p. 293-296

Estimating the first zero of a characteristic function

Shunlong Luo; Zhengmin Zhang

Comptes Rendus. Mathématique, Volume 338 (2004) no. 3 p. 203-206