id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-2176	Saxena, Ram K; Tomovski, Zivorad; Sandev, Trifce	Fractional Helmholtz and Fractional Wave Equations with Riesz-Feller and Generalized Riemann-Liouville Fractional Derivatives	2014	23	.pdf	application/pdf	8795	507	76	y a f (y ′) (y − y ′)1−µ dy ′, y > a, ℜ(µ)> 0. (6) For µ= 0, this is the identity operator, � y I0 a+ f � (y) = f (y). Similarly, R-L fractional derivative is defined by [11, 18, 36] � y Dµa+ f � (y) = � d dy �n � y In−µ a+ f � (y), ℜ(µ)> 0, n= � ℜ(µ) � + 1, (7) R. Saxena, Ž. Tomovski, T. Sandev / Eur.	cache/ejpam-2176.pdf	txt/ejpam-2176.txt