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pro vyhledávání: '"Nguyen Vu Duy Linh"'
Autor:
Nguyen Thanh Long, Nguyen Vu Duy Linh
Publikováno v:
Journal of Mathematical Analysis and Applications. (1):219-225
By the method of indeterminate coefficients we prove the inequality[formula]where a n ≥ 0, n = 1, 2,…,∑ ∞ n = 1 a n