| |
| 2009 | ||
|---|---|---|
| 2 | EE | Gwang Hui Kim, Young Whan Lee: Boundedness of approximate trigonometric functions. Appl. Math. Lett. 22(4): 439-443 (2009) |
| 2008 | ||
| 1 | EE | Gwang Hui Kim: On the stability of the pexiderized trigonometric functional equation. Applied Mathematics and Computation 203(1): 99-105 (2008) |
| 1 | Young Whan Lee | [2] |