Partial -- Numerical solutions

Applied numerical methods for partial differential equations: an introduction with spreadsheet programs Lam, Chung-Yau 1994 Applied numerical methods for partial differential equations: an introduction with spreadsheet programs Lam, Chung-Yau 1994 Exact solution and invariant subspaces of nonlinear partial differential equations in mechanics and physics Svirshchevskii, Sergey R. 2007 Numerical methods for partial differential equations Evans, G. 2000 Numerical Partial Differential equations for Enviromental Scientists and Engineers Lynch, Daniel R. 2005 Operational methods Maslov, V. P. 1976 Patial Differential Equations and the finite element method Solin, Pavel 2006