Feller 1968, p. 221. Feller, William (1968). An introduction to probability theory and its applications. Volume I (Third edition of 1950 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0228020.
Feller 1968, Section IX.2. Feller, William (1968). An introduction to probability theory and its applications. Volume I (Third edition of 1950 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0228020.
Feller 1971, Section I.2. Feller, William (1971). An introduction to probability theory and its applications. Volume II (Second edition of 1966 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0270403.
Feller 1971, p. 5. Feller, William (1971). An introduction to probability theory and its applications. Volume II (Second edition of 1966 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0270403.
Billingsley 1995, Theorems 31.7 and 31.8 and p. 422. Billingsley, Patrick (1995). Probability and measure. Wiley Series in Probability and Mathematical Statistics (Third edition of 1979 original ed.). New York: John Wiley & Sons, Inc. ISBN0-471-00710-2. MR1324786.
Feller 1971, Section II.4. Feller, William (1971). An introduction to probability theory and its applications. Volume II (Second edition of 1966 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0270403.
Feller 1971, Section V.6. Feller, William (1971). An introduction to probability theory and its applications. Volume II (Second edition of 1966 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0270403.
Feller 1968, Section IX.6. Feller, William (1968). An introduction to probability theory and its applications. Volume I (Third edition of 1950 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0228020.
Feller 1968, Section IX.7. Feller, William (1968). An introduction to probability theory and its applications. Volume I (Third edition of 1950 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0228020.
Feller 1971, Section V.8. Feller, William (1971). An introduction to probability theory and its applications. Volume II (Second edition of 1966 original ed.). New York–London–Sydney: John Wiley & Sons, Inc. MR0270403.