H Wang, J Li, J Wang - Department of Mathematics Northwest …, 2012 - books.google.com
A short interval result for the function a2 (n) Page 101 Scientia Magna Vol. 8 (2012), No. 3,
95-98 A short interval result for the function a2 ( n ) 1 Hua Wang † , Jing Li ‡ and Jian Wang ♯ …