%0 Journal Article %T Analysis of natural in-plane vibration of rectangular plates using homotopy perturbation approach %A Igor V. Andrianov %A Jan Awrejcewicz %A Vladimir Chernetskyy %J Mathematical Problems in Engineering %D 2006 %I Hindawi Publishing Corporation %R 10.1155/mpe/2006/20598 %X An analytical solution of the problem of free in-plane vibration of rectangular plates with complicated boundary conditions is proposed. %U http://www.hindawi.com/journals/mpe/2006/020598/abs/