On the generalized Hyers-Ulam stability of a Cauchy-Jensen functional equation. Jun, Kil-Woung; Lee, Yang-Hi; Cho, Young-Sun — 2007 Abstract and Applied Analysis
Extended stability problem for alternative Cauchy-Jensen mappings. Kim, Hark-Mahn; Jun, Kil-Woung; Rassias, John Michael — 2007 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On the stability of a new Pexider-type functional equation. Jun, Kil-Woung; Lee, Yang-Hi; Lee, Juri — 2008 Journal of Inequalities and Applications [electronic only]
Stability of a bi-Jensen functional equation. II. Jun, Kil-Woung; Jung, Il-Sook; Lee, Yang-Hi — 2009 Journal of Inequalities and Applications [electronic only]