Laha, R.G., author
John Wiley & Sons, 1979
Buku Teks
Loeve, Michel, author
D. van Nonstrand, 19763
Buku Teks
Bauer, Heinz, author
Academic Press, 1981
Buku Teks
Whittle, Peter, author
John Wiley & Sons, 1970
Buku Teks
Breiman, Leo, author
Society for Industrial and Applied Mathematics, 1992
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