Thomas Bruss, F.; Robertson, J. B. (1991). 'Wald's Lemma' for Sums of Order Statistics of i.i.d. Random Variables. Advances in Applied Probability. 23 (3): 612—623. doi:10.2307/1427625. JSTOR1427625.
jstor.org
Thomas Bruss, F.; Robertson, J. B. (1991). 'Wald's Lemma' for Sums of Order Statistics of i.i.d. Random Variables. Advances in Applied Probability. 23 (3): 612—623. doi:10.2307/1427625. JSTOR1427625.