中国科学院数学与系统科学研究院期刊网
AMS
On the Semivalues and the Least Square Values Average Per Capita Formulas and Relationships
Irinel DRAGAN
Acta Mathematica Sinica . 2006, (5): 1539 -1548 .  DOI: 10.1007/s10114-005-0818-8