Zill, Dennis G., author
Prindle, Weber Schmidt, 1986
Buku Teks
Schwarz, Fritz, author
Springer-Verlag , 2012
eBooks
Ascher, Uri M., author
Society for Industrial and Applied Mathematics, 2008
eBooks
Lund, John, author
Society for Industrial and Applied Mathematics, 1992
eBooks
Mattheij, Robert M.M., author
eBooks