@article {63433,
	title = {On Numerical Radius Inequalities for Operator Matrices},
	journal = {Numerical Functional Analysis and OptimizationNumerical Functional Analysis and Optimization},
	volume = {40},
	year = {2019},
	month = {2019},
	pages = {1231-1241},
	author = {Guelfen, Hanane and Kittaneh, Fuad}
}
