中国科学院数学与系统科学研究院期刊网
Dynamic Concept of Returns to Scales and Its Characteristics on Production Frontier in Intersection Form
Quan-ling Wei, Hong Yan
Acta Mathematicae Applicatae Sinica(English Series) . 2011, (3): 355 -366 .  DOI: 10.1007/s10255-011-0075-9