@article {14895,
	title = {Seladjoint operators, normal operators, and characterizations},
	journal = {Operators and Matrices},
	volume = {835-842},
	year = {2019},
	pages = {835-842},
	abstract = {In this note, we present several characterizations for some distinguishedclasses of bounded Hilbert space operators (self-adjoint operators, normaloperators, unitary operators, and isometry operators) in terms of operatorinequalities.},
	author = {A. Seddik}
}
