Charnes A and ZM Huang (1990). “Polyhedral Cone-Ratio DEA Models with an Ilustractive Application to Large Commercial Banks.” J Econometrics 46: 73-91.
Charnes A and ZM Huang (1990). “Polyhedral Cone-Ratio DEA Models with an Ilustractive Application to Large Commercial Banks.” J Econometrics 46: 73-91.