Gill, Philip E.
Academic Press , 1981
Buku Teks
Rosen, Kenneth H., author
McGraw-Hill, 1999
Buku Teks
Arfken, George B. (George Brown), 1922-
Academic Press, 2013
Buku Teks
Levy, Adam B., author
Society for Industrial and Applied Mathematics, 2009
eBooks
Fletcher, R. (Roger), author
John Wiley & Sons, 1980
Buku Teks