{{sfn | Loève | 1977 | p=}}

* {{cite book | last=Loève | first=Michel | title=Probability Theory | publisher=Springer | publication-place=New York Heidelberg Berlin | date=1977-01 | isbn=3-540-90210-4}}

<ref name="c509">{{cite book | last=Loève | first=Michel | title=Probability Theory | publisher=Springer | publication-place=New York Heidelberg Berlin | date=1977-01 | isbn=3-540-90210-4 | page=}}</ref>