Ravi, K.; Vijaya, R. Bhuvana; Veena, R. Stability of a new mixed type generalized quadratic cubic functional equation. (English) Zbl 1271.39032 Far East J. Appl. Math. 72, No. 1, 1-21 (2012). Reviewer: Maryam Amyari (Mashhad) MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{K. Ravi} et al., Far East J. Appl. Math. 72, No. 1, 1--21 (2012; Zbl 1271.39032) Full Text: Link
Ravi, K.; Kandasamy, S.; Arasu, V. Fuzzy versions of Hyer-Ulam-Rassias theorem of quadratic functional equation. (English) Zbl 1266.39041 Adv. Fuzzy Sets Syst. 8, No. 2, 97-114 (2011). MSC: 39B82 39B52 46S40 PDFBibTeX XMLCite \textit{K. Ravi} et al., Adv. Fuzzy Sets Syst. 8, No. 2, 97--114 (2011; Zbl 1266.39041) Full Text: Link
Ravi, K.; Kumar, M. Arun On a general solution of a quartic functional equation. (English) Zbl 1218.39025 J. Comb. Inf. Syst. Sci. 33, No. 3-4, 375-388 (2008). MSC: 39B82 39B22 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, J. Comb. Inf. Syst. Sci. 33, No. 3--4, 375--388 (2008; Zbl 1218.39025)
Ravi, K.; Kumar, M. Arun On the Hyers-Ulam stability of a particular quadratic functional equation. (English) Zbl 1218.39024 Appl. Sci. Period. 9, No. 4, 250-258 (2007). MSC: 39B82 39B42 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, Appl. Sci. Period. 9, No. 4, 250--258 (2007; Zbl 1218.39024)
Ravi, K.; Kumar, M. Arun Stability of a quadratic functional equation. (English) Zbl 1140.39017 Int. J. Pure Appl. Math. 36, No. 3, 391-402 (2007). Reviewer: Pál Burai (Debrecen) MSC: 39B82 39B22 39B52 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, Int. J. Pure Appl. Math. 36, No. 3, 391--402 (2007; Zbl 1140.39017)
Ravi, K.; Arun Kumar, M. Hyers-Ulam-Rassias stability of a quartic functional equation. (English) Zbl 1125.39029 Int. J. Pure Appl. Math. 34, No. 2, 247-260 (2007). Reviewer: Jacek Chmielinski (Kraków) MSC: 39B82 39B22 39B52 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. Arun Kumar}, Int. J. Pure Appl. Math. 34, No. 2, 247--260 (2007; Zbl 1125.39029)
Ravi, K.; Kumar, M. Arun On the generalized Hyers-Ulam-Rassias stability of a cubic functional equation. (English) Zbl 1120.39030 Int. Rev. Pure Appl. Math. 2, No. 1, 13-23 (2006). Reviewer: Jacek Chmielinski (Kraków) MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, Int. Rev. Pure Appl. Math. 2, No. 1, 13--23 (2006; Zbl 1120.39030)
Ravi, K.; Kumar, M. Arun On the generalized Hyers-Ulam-Rassias stability of a quadratic functional equation. (English) Zbl 1114.39012 Int. J. Pure Appl. Math. 28, No. 1, 85-94 (2006). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B82 39B52 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, Int. J. Pure Appl. Math. 28, No. 1, 85--94 (2006; Zbl 1114.39012)
Ravi, K.; Kumar, M. Arun On the Hyers-Ulam-Rassias stability of the functional equation \(4f \left(\frac{x-y-z}{2}\right)+f(x)+f(y)+f(z)=4\left[f\left(\frac{x-y}{2} \right)+f\left(\frac{y+z}{2}\right)+f\left(\frac {z-x}{2}\right)\right]\). (English) Zbl 1219.39018 Appl. Sci. Period. 7, No. 4, 255-261 (2005). Reviewer: Tomasz Kochanek (Katowice) MSC: 39B82 PDFBibTeX XMLCite \textit{K. Ravi} and \textit{M. A. Kumar}, Appl. Sci. Period. 7, No. 4, 255--261 (2005; Zbl 1219.39018)