中国科学院数学与系统科学研究院期刊网
Optimal Approximation Order for q-Stancu Operators Defined on a Simplex
Feng Jun LI; Zong Ben XU; Kai
Acta Mathematica Sinica, Chinese Series . 2008, (1): 135 -144 .  DOI: 10.12386/A2008sxxb0017