@article{CRMATH_2004__338_3_203_0,
     author = {Shunlong Luo and Zhengmin Zhang},
     title = {Estimating the first zero of a characteristic function},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {203--206},
     publisher = {Elsevier},
     volume = {338},
     number = {3},
     year = {2004},
     doi = {10.1016/j.crma.2003.11.028},
     language = {en},
}