Bernadou, Michel
John Wiley & Sons, 1996
Buku Teks
Buchanan, George R.
McGraw-Hill, 1995
Buku Teks
Ciarlet, Philippe G.
Society for Industrial and Applied Mathematics, 2002
eBooks
edited by R. Glowinski, E. Y. Rodin, O. C. Zienkiewicz
John Wiley & Sons, 1979
Buku Teks
Akin, J.E.
Academic Press, 1982
Buku Teks