Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ala Abu Alkheir, Mohamed Ibnkahla. An Accurate Approximation of the Exponential Integral Function Using a Sum of Exponentials. IEEE Communications Letters, 17(7):1364-1367, 2013. [doi]
Abstract is missing.