Atribución-NoComercial 4.0 InternacionalKalb, Klaus Gero2019-06-282019-06-281979https://repositorio.unal.edu.co/handle/unal/42593Let X be a complex Banach space.application/pdfspaDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/Characterization of certain [símbolo]self-adjoint operators by means of their exponential functionArtículo de revistahttp://bdigital.unal.edu.co/32690/info:eu-repo/semantics/openAccessOperatorsexponential functioncomplex Banach space