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On the cosine integral
Journal article   Peer reviewed

On the cosine integral

Brian Fisher and Fatma AL-Sirehy
Integral transforms and special functions, Vol.8(1-2), pp.31-42
01/07/1999
DOI: https://doi.org/10.1080/10652469908819214

Abstract

convolution product cosine integral Dirac delta function distribution
The cosine integral Ci(λx) and its associated functions Ci + (λx) and C(λx) are defined as locally summable functions on the real line and their derivatives are found as distributions. Some convolution products of these distributions and other functions are then found.

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