Media type: E-Article Title: On normal approximate spectrum, V Contributor: Fujii, Masatoshi Published: Project Euclid, 1973 Published in: Proceedings of the Japan Academy, Series A, Mathematical Sciences, 49 (1973) 6 Language: Not determined DOI: 10.3792/pja/1195519295 ISSN: 0386-2194 Keywords: General Mathematics Origination: Footnote: Access State: Open Access