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The Necessary and Sufficient Conditions for Returns to Scale Properties in the Generalized Data Envelopment Analysis Model

Quanling WeiGang YuJanshou Lu

出版	Department of Management Science and Information Systems [University of Texas at Austin], 1993
URL	http://books.google.com.hk/books?id=dldEGwAACAAJ&hl=&source=gbs_api