van Groesen, E.
Society for Industrial and Applied Mathematics, 2007
eBooks
Bamberg, Paul
University of Cambridge, 1995
Buku Teks
Bony, Jean-Michel
Department de Mathematiques, 1998
Buku Teks
Barlow, Roger
John Wiley & Sons, 1991
Buku Teks
Tan, S.T.
Brooks/Cole, Cengage Learning , 2012
Buku Teks SO