Charnes A, WW Cooper, ZM Huang and DB Sun (1991). “Relations between Half-Space and Finitely Generated Cones in Polyhedral Cone-Ratio DEA Models.” Int J Syst Sci 22(11): 2057-2077.
Charnes A, WW Cooper, ZM Huang and DB Sun (1991). “Relations between Half-Space and Finitely Generated Cones in Polyhedral Cone-Ratio DEA Models.” Int J Syst Sci 22(11): 2057-2077.