On the periodicity of an arithmetical function

Shaofang Hong; Yujuan Yang

Comptes Rendus. Mathématique, Volume 346 (2008) p. 717-721

Lower bounds for the least common multiple of finite arithmetic progressions

Shaofang Hong; Weiduan Feng

Comptes Rendus. Mathématique, Volume 343 (2006) p. 695-698