Davis, Philip J.
Springer, 2012
eBooks
Iyer, V. Ganapathy
Tata McGraw-Hill, 1977
Buku Teks
Apostol, Tom M.
Addison-Wesley, 1974
Buku Teks
Lighthill, Sir James
Society for Industrial and Applied Mathematics, 1975
eBooks
edited by T.C. Hu, Stephen M. Robinson
Academic Press , 1973
Buku Teks