TY  - JOUR
AU  - Jahanshahloo, G. R.
AU  - Fallahnejad, R.
TI  - Obtaining a Unique Solution for the Cross Efficiency by Using the Lexicographic method
JO  - Iranian Journal of Optimization
VL  - 6
IS  - 1
SP  - 691
EP  - 701
PY  - 2010
DO  - 
ER  -