Billingsley, Patrick
Society for Industrial and Applied Mathematics, 1971
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Billingsley, Patrick
John Wiley & Sons, 1968
Buku Teks
Universitas Indonesia, 1996
UI - Skripsi Membership
Doob, Joseph L.
Springer-Verlag , 1994
Buku Teks
Roussas, George G.
Academic Press, 2014
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