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Yang [20] studies a deteriorating inventory model in which the supplier simultaneously offers the retailer either a conditional delay in payments or a cash discount. While considering the same inventory problem as that of Yang [20] in a systematic manner, the main purpose of this paper is twofold: First of all, since Yang [20] does not seem to have defined(More)
In a recent paper in this journal, Gautschi et al. [W. Gautschi, F.E. Harris, N.M. Temme, Expansions of the exponential integral in incomplete Gamma functions, Appl. Math. Lett. 16 (2003) 1095–1099] presented an interesting expansion formula for the exponential integral E1(z) in a series of the incomplete Gamma function γ (α, z). Their investigation was(More)
In many recent works, many authors have demonstrated the usefulness of fractional calculus in the derivation of particular solutions of a significantly large number of linear ordinary and partial differential equations of the second and higher orders. The main objective of the present paper is to show how this simple fractional calculus method to the(More)
BACKGROUND Smoking plays a disease-related risk factor and is however the principal cause of preventable death. Many studies support the use of combined rather than single interventions to stop smoking. OBJECTIVE This study aimed to evaluate the effects of auricular acupressure combined with multimedia instruction in comparison with auricular acupressure(More)