Citation: Xu, Zhe Feng et Zhang, Tian Ping, High-dimensional D. H. Lehmer problem over short intervals, Acta mathematica Sinica. English series (Print) , 30(2), 2014, pp. 213-228
Citation: Xu, Zhe Feng, On the Mean Value of the Complete Trigonometric Sums with Dirichlet Characters, Acta mathematica Sinica. English series (Print) , 23(7), 2007, pp. 1341-1344