Crowell, Richard H., author
Blaisdell, 1963
Buku Teks
Kawauchi, Akio, editor
Springer, 2012
eBooks
edited by Ronald N. Goldman, Tom Lyche
Society for Industrial and Applied Mathematics, 1993
eBooks
Gay, David A., author
Elsevier, 2014
eBooks
O`Brien, Dan, author
Polity Press, 2006
Buku Teks