He's variational iteration method is applied to fourth-order parabolic partial differential equations with variable coefficients. To illustrate the ability and reliability of the method, some examples are given, revealing its effectiveness and simplicity. © 2007.
Biazar, J., & Ghazvini, H. (2007). He’s variational iteration method for fourth-order parabolic equations. Computers and Mathematics with Applications, 54(7–8), 1047–1054. https://doi.org/10.1016/j.camwa.2006.12.049