The purpose of this historical remark is to observe that a slightly stronger form of a recent theorem of Zhang and Yue can be proved more easily using an elementary method given by Dirichlet in 1834.

Additional Metadata
Keywords Congruences, Dirichlet's method, Theorem of zhang and yue
Persistent URL dx.doi.org/10.1016/j.jnt.2014.08.011
Journal Journal of Number Theory
Citation
Williams, K.S. (2015). Historical remark on a theorem of Zhang and Yue. Journal of Number Theory, 147, 691–693. doi:10.1016/j.jnt.2014.08.011