| Article ID: | iaor19972011 | 
| Country: | Netherlands | 
| Volume: | 73 | 
| Issue: | 1 | 
| Start Page Number: | 1 | 
| End Page Number: | 5 | 
| Publication Date: | Apr 1996 | 
| Journal: | Mathematical Programming (Series A) | 
| Authors: | Faigle U., Kern W., Streng M. | 
The authors show that, for fixed dimension n, the approximation of inner and outer