Banker RD, C Hsihui and WW Cooper (1996). “Equivalence and Implementation of Alternative Methods for Determining Returns to Scale in Data Envelopment Analysis.” EJOR 89(3): 473-481.
Banker RD, C Hsihui and WW Cooper (1996). “Equivalence and Implementation of Alternative Methods for Determining Returns to Scale in Data Envelopment Analysis.” EJOR 89(3): 473-481.