id	keyword
ejpam-5963	system
ejpam-5963	γ(η
ejpam-5963	fractional
ejpam-5963	solution
ejpam-5963	stability
ejpam-5963	r(δ
ejpam-5963	ffdes
ejpam-5963	δ)η−1δξ−1f(δ
ejpam-5963	r(t