MathSciNet bibliographic data MR539661 (81b:60030) 60F15 (60F17) Stout, William Almost sure invariance principles when $EX\sb{1}\sp{2}=\infty$$EX\sb{1}\sp{2}=\infty$. Z. Wahrsch. Verw. Gebiete 49 (1979), no. 1, 23–32. Article

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