| Article ID: | iaor19942356 |
| Country: | Netherlands |
| Volume: | 61 |
| Issue: | 3 |
| Start Page Number: | 345 |
| End Page Number: | 349 |
| Publication Date: | Sep 1993 |
| Journal: | Mathematical Programming (Series A) |
| Authors: | Murthy G.S.R. |
The paper settles an open problem posed by Al-Khayyal on a condition being sufficient for a matrix to belong to the class of 
