1Motohashi Y. A note on the least prime in anarithmetic progression with a prime difference. Acta Arith, 1970, 17: 283～285
2Heath-Brown D R. Zero-free regions for Dirichlet L-functions, and the least primein an arithmetic progression. Proc London Math Soc, 1992, 64(3): 265～338
3Heath-Brown D R. Siegel zeros and the least prime in an arithmetic progression.Quart J Math Oxford, 1990, 41(2): 405～418
4潘承洞 潘承彪.解析数论基础[M].北京：科学出版社,1997.98-101.
5Wang W. On the least prime in an arithmetic progression. Acta Math Sinica (N.S.),1991, 7(3): 279～288
6Liu Ming-chit, Wang Tianze. A numerical bound for small prime solutions of someternary linear equations. Acta Arith, 1998, 86(4): 343～383
