John Ruggiero. Non-discretionary inputs in data envelopment analysis. European Journal of Operational Research, 111(3):461-469, 1998. [doi]
@article{Ruggiero98a,
title = {Non-discretionary inputs in data envelopment analysis},
author = {John Ruggiero},
year = {1998},
doi = {10.1016/S0377-2217(97)00306-8},
url = {http://dx.doi.org/10.1016/S0377-2217(97)00306-8},
researchr = {https://researchr.org/publication/Ruggiero98a},
cites = {0},
citedby = {0},
journal = {European Journal of Operational Research},
volume = {111},
number = {3},
pages = {461-469},
}