Extending Färe and Zelenyuk (2003)
| Year of publication: |
2007
|
|---|---|
| Authors: | Färe, Rolf ; Zelenyuk, Valentin |
| Published in: |
European journal of operational research : EJOR. - Amsterdam : Elsevier, ISSN 0377-2217, ZDB-ID 2430034. - Vol. 179.2007, 2, p. 594-595
|