Schuss, Zeev
John Wiley & Sons, 1980
Buku Teks
Han-Fu, Chen
John Wiley & Sons, 1985
Buku Teks
Kaj, Ingemar
Society for Industrial and Applied Mathematics, 2002
eBooks
Protter, Philip E.
Springer-Verlag, 2005
Buku Teks
Friedman, Avner
Academic Press, 1976
Buku Teks