@article {67268,
	title = {Exponential Decay Rate of the Perturbed Energy of the Wave Equation with Zero Order Term},
	journal = {Advances in Pure MathematicsAdvances in Pure Mathematics},
	volume = {1},
	year = {2011},
	month = {2011},
	pages = {276-279},
	author = {Ilhem, Hamchi}
}
