An extremal problem for Fourier transforms of probabilities

Luo, Shunlong; Zhang, Zhengmin

Comptes Rendus. Mathématique, Volume 341 (2005) p. 293-296

Estimating the first zero of a characteristic function

Luo, Shunlong; Zhang, Zhengmin

Comptes Rendus. Mathématique, Volume 338 (2004) p. 203-206