摘要
Zhao established a curious congruence, i.e., for any prime p >= 3, @@@ [GRAPHICS] @@@ In this note we prove that for any prime p >= 3 and positive integer r, @@@ [GRAPHICS] @@@ where P-n denotes the set of positive integers which are prime to n.
- 出版日期2014-11
- 单位浙江大学