| Article ID: | iaor200910692 |
| Country: | Germany |
| Volume: | 16 |
| Issue: | 4 |
| Start Page Number: | 415 |
| End Page Number: | 424 |
| Publication Date: | Dec 2008 |
| Journal: | Central European Journal of Operations Research |
| Authors: | Rapcsk T, Ujvri M |
In the paper, the affinity of quadratic fractional functions and the gradient of pseudolinear quadratic fractional functions are characterized.