Petrovsky, I. G. (Ivan Georgievich), author
Dover, 1991
Buku Teks
Martha L. Abell
Academic Press, 2014
eBooks
Hsu, Sze-Bi, author
World Scientific, 2013
Buku Teks
Carrier, George F., author
Society for Industrial and Applied Mathematics, 1991
eBooks
Coddington, Earl A., author
Society for Industrial and Applied Mathematics, 1997
eBooks