| Article ID: | iaor19921167 |
| Country: | Netherlands |
| Volume: | 48 |
| Issue: | 3 |
| Start Page Number: | 372 |
| End Page Number: | 375 |
| Publication Date: | Oct 1990 |
| Journal: | European Journal of Operational Research |
| Authors: | Nanda S., Kar K. |
The purpose of this paper is to introduce a new class of functions called semilocally invex and to obtain duality results for such functions and for semilocally pseudo-convex functions for the symmetric duality in nonlinear programming.