| Article ID: | iaor2007340 |
| Country: | Netherlands |
| Volume: | 170 |
| Issue: | 1 |
| Start Page Number: | 315 |
| End Page Number: | 318 |
| Publication Date: | Apr 2006 |
| Journal: | European Journal of Operational Research |
| Authors: | Woeginger Gerhard J., Deneko Vladimir G. |
We show that the following problem is NP-hard, and hence computationally intractable: ‘Given