Douglas, R. G.; Pearcy, C. A note on quasitriangular operators. (English) Zbl 0194.43901 Duke Math. J. 37, 177-188 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 29 Documents Keywords:functional analysis PDFBibTeX XMLCite \textit{R. G. Douglas} and \textit{C. Pearcy}, Duke Math. J. 37, 177--188 (1970; Zbl 0194.43901) Full Text: DOI