Geodesic
On the Absolute Cesaro Summability of Negative Order of a Series Associated with the Conjugate Series of a Fourier Series
Canadian journal of mathematics, Tome 21 (1969) no. 1, pp. 552-557

Voir la notice de l'article provenant de la source Cambridge University Press

1. Definition. Let λ ≡ λ(ω) be continuous, differentiable, and monotonie increasing in (0, ∞) and let it tend to infinity as ω → ∞. A series an is summable |R, λ, r|, where r > 0, if where A is a fixed positive number (6, Definition B).Let f(t) be a periodic function with period 2π and Lebesgue integrable over (–π, π) and let 1.1 The series conjugate to (1.1), at t = x, is 1.2 
Mohanty, R.; Ray, B. K. On the Absolute Cesaro Summability of Negative Order of a Series Associated with the Conjugate Series of a Fourier Series. Canadian journal of mathematics, Tome 21 (1969) no. 1, pp. 552-557. doi: 10.4153/CJM-1969-062-7
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