%0 Journal Article %A Songqi Wu %A Xiaohui Ma %A Hailin Sang %A Xiequan Fan %T A Berry–Esseen bound of order $\protect \frac{1}{\protect \sqrt{n}} $ for martingales %J Comptes Rendus. Mathématique %D 2020 %P 701-712 %V 358 %N 6 %I Académie des sciences, Paris %R 10.5802/crmath.81 %G en %F CRMATH_2020__358_6_701_0