中国科学院数学与系统科学研究院期刊网
The Integer Parts of Nonlinear Form with Integer Variables and Mixed Powers 2 and 3
Wei Ping LI, Feng ZHAO, Tian Ze WANG
Acta Mathematica Sinica, Chinese Series . 2012, (4): 727 -736 .  DOI: 10.12386/A2012sxxb0070