| Article ID: | iaor19932424 | 
| Country: | Serbia | 
| Volume: | 1 | 
| Start Page Number: | 245 | 
| End Page Number: | 247 | 
| Publication Date: | Nov 1991 | 
| Journal: | Yugoslav Journal of Operations Research | 
| Authors: | Dugosija Dorde | 
The paper shows that the polyhedron of three-index transportation problem is the intersection of the positive orthant and three mutually orthogonal affine sets.