Research and Education Association, 1987
Buku Teks
Kress, Rainer
Springer, 1998
Buku Teks
Scheid, Francis, author
McGraw-Hill, 1968
Buku Teks
Ortega, James M., 1932- , author
Society for Industrial and Applied Mathematics, 1990
eBooks
Atkinson, Kendall E., author
John Wiley & Sons, 2001
Buku Teks