Finite Element Methods for Numerical Solution of PDEs

P. G. Ciarlet, The Finite Element Method for Elliptic Problems, 2nd edition, SIAM, 2002
T. J. R. Hughes, The Finite Element Method: Linear Static and Dynamic Finite Element Analysis, Dover, 2000
C. Johnson, Numerical Solution of Partial Differential Equations by the Finite Element Method, Dover, 2009

V. Thomée, Galerkin Finite Element Methods for Parabolic Problems, 2nd edition, Springer, 2006
E. Thompson, Introduction to the Finite Element Method: Theory, Programming, and Applications, Wiley, 2005

J. Topper, Financial Engineering with Finite Elements, Wiley, 2005
O. C. Zienkiewicz and K. Morgan, Finite Elements and Approximation, Dover, 2006
O. C. Zienkiewicz, R. L. Taylor, and J.Z. Zhu, The Finite Element Method: Its Basis and Fundamentals, 6th edition, Butterworth-Heinemann, 2005