Lee, Young-Su; Jeong, Yujin; Ha, Hyemin Stability of a Jensen type quadratic-additive functional equation under the approximately conditions. (English) Zbl 1347.39028 Adv. Difference Equ. 2015, Paper No. 61, 20 p. (2015). MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{Y.-S. Lee} et al., Adv. Difference Equ. 2015, Paper No. 61, 20 p. (2015; Zbl 1347.39028) Full Text: DOI
Lee, Young-Su Stability of quadratic functional equations in generalized functions. (English) Zbl 1380.39026 Adv. Difference Equ. 2013, Paper No. 72, 15 p. (2013). MSC: 39B82 46F05 PDFBibTeX XMLCite \textit{Y.-S. Lee}, Adv. Difference Equ. 2013, Paper No. 72, 15 p. (2013; Zbl 1380.39026) Full Text: DOI
Lee, Young-Su Stability of a quadratic functional equation in the spaces of generalized functions. (English) Zbl 1153.39033 J. Inequal. Appl. 2008, Article ID 210615, 12 p. (2008). MSC: 39B82 46F15 39B52 PDFBibTeX XMLCite \textit{Y.-S. Lee}, J. Inequal. Appl. 2008, Article ID 210615, 12 p. (2008; Zbl 1153.39033) Full Text: DOI EuDML