Iyer, V. Ganapathy, author
Tata McGraw-Hill, 1977
Buku Teks
Apostol, Tom M., author
Addison-Wesley, 1974
Buku Teks
Davis, Philip J., author
Birkhäuser, 1981
Buku Teks
Lighthill, Sir James, author
Society for Industrial and Applied Mathematics, 1975
eBooks
edited by T.C. Hu, Stephen M. Robinson
Academic Press , 1973
Buku Teks