Lopez-Gomez, Julian. Algebraic multiplicity of eigenvalues of linear operators [electronic resource] / J. Lopez-Gomez, C. Mora-Corral. - Basel : Birkhauser Verlag AG, 2007. - xxii, 310 p. : digital ; 24 cm. - Operator theory, advances and applications ; v. 177 . Includes bibliographical references and index. ISBN: 9783764384012 Subjects--Topical Terms: Spectral theory (Mathematics).