Kinderlehrer, David, author
Society for Industrial and Applied Mathematics, 2000
eBooks
Polyanin, Andrei D., author
Chapman &Hall/CRC, 2008
Buku Referensi
edited by Christopher T.H. Baker, Geoffrey F. Miller
Academic Press, 1982
Buku Teks
Bird, Gordon J.A.
McGraw-Hill, 1980
Buku Teks
Rawuh, author
Pradnya Paramita, c1984
Buku Teks