Edgar, G.; Ernest, J.; Lee, S. G. Weighing operator spectra. (English) Zbl 0219.47001 Indiana Univ. Math. J. 21, 61-80 (1971). MSC: 47A10 47A53 47A55 47A58 PDFBibTeX XMLCite \textit{G. Edgar} et al., Indiana Univ. Math. J. 21, 61--80 (1971; Zbl 0219.47001) Full Text: DOI
Edgar, G.; Ernest, J.; Lee, S. G. Weighing operator spectra. (English) Zbl 0207.44701 Indiana Univ. Math. J. 21, 61-80 (1971). MSC: 47A10 47A53 47A55 47A58 PDFBibTeX XMLCite \textit{G. Edgar} et al., Indiana Univ. Math. J. 21, 61--80 (1971; Zbl 0207.44701) Full Text: DOI