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2. Gnedenko, B.V. (1943). Sur la distribution limite du term maximum d'une série al aléatoire.Annals of Mathematics,44, 423–453.
3. Proceedings of the 6th Seminar, Moscow. Lecture Notes in Mathematics;B.V. Gnedenko,1982
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5. Gnedenko, B.V. and L. Senocy Bereksy (1982) On one characteristic of logistic distribution.Dokl. Akad. Nauk. SSSR,267, 6, 1293–1295.