| Article ID: | iaor20021972 |
| Country: | Netherlands |
| Volume: | 28 |
| Issue: | 1 |
| Start Page Number: | 21 |
| End Page Number: | 26 |
| Publication Date: | Feb 2001 |
| Journal: | Operations Research Letters |
| Authors: | Konnov Igor V. |
New concepts of monotonicity which extend the usual ones are introduced for variational inequality problems over product sets. They enable us to strengthen existence results and extend the field of applications of the solution methods.