Neville, Adam M., author
Pitman, 1995
Buku Teks
O`Gorman, Thomas W., author
Society for Industrial and Applied Mathematics, 2004
eBooks
Moulson, A.J., author
John Wiley & Sons Inc., 2008
Buku Teks
Jastrzebski, Zbigniew D., author
Wiley, 1959
Buku Teks
Brick, Robert M., author
McGraw-Hill Kogakusha, 1977
Buku Teks