Paul, Wolfgang
Springer, 1999
Buku Teks
edited by Malte Henkel and Dragi Karevski
Springer, 2012
eBooks
Coleman, Rodney
George Allen & Unwin, 1974
Buku Teks
Parzen, Emanuel, 1929-
Society for Industrial and Applied Mathematics, 1999
eBooks
Ash, Robert B.
Academic Press, 1975
Buku Teks