Media type: E-Article Title: Counterexample to the Spectral Mapping Theorem for the Exponential Function Contributor: Hejtmanek, J.; Kaper, Hans G. imprint: JSTOR, 1986 Published in: Proceedings of the American Mathematical Society Language: Not determined DOI: 10.2307/2046305 ISSN: 0002-9939 Keywords: Applied Mathematics ; General Mathematics Origination: Footnote: Access State: Open Access