Solution and Stability of the Multiquadratic Functional Equation

Lee, Y. H., & Jung, S. M. (2016). General Quadratic-Additive Type Functional Equation and Its Stability. International Journal of Mathematics and Mathematical Sciences, 2016(), 12-21. https://doi.org/10.1155/2016/1793065
Jin, S. S., & Lee, Y. H. (2011). Fuzzy Stability of a General Quadratic Functional Equation. Advances in Fuzzy Systems, 2011(), 107-115. https://doi.org/10.1155/2011/791695
Jin, S. S., & Lee, Y. H. (2011). Fuzzy Stability of a Quadratic-Additive Functional Equation. International Journal of Mathematics and Mathematical Sciences, 2011(), 807-822-068. https://doi.org/10.1155/2011/504802
Lee, J. R., An, J. S., & Park, C. (2008). On the Stability of Quadratic Functional Equations. Abstract and Applied Analysis, 2008(), 882-889. https://doi.org/10.1155/2008/628178
Park, C., & Kim, J. H. (2009). The Stability of a Quadratic Functional Equation with the Fixed Point Alternative. Abstract and Applied Analysis, 2009(), 1112-1122. https://doi.org/10.1155/2009/907167