On the Stability of Quadratic Functional Equations

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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
Zhao, X. P., Yang, X. Z., & Pang, C. T. (2013). Solution and Stability of the Multiquadratic Functional Equation. Abstract and Applied Analysis, 2013(), 777-784-483. https://doi.org/10.1155/2013/415053
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
Jang, S. Y., Lee, J. R., Park, C., & Shin, D. Y. (2009). Fuzzy Stability of Jensen-Type Quadratic Functional Equations. Abstract and Applied Analysis, 2009(), 627-643. https://doi.org/10.1155/2009/535678