Howard, Joe \({\mathcal F}\)-singular and \({\mathcal G}\)-cosingular operators. (English) Zbl 0211.44704 Colloq. Math. 22, 85-89 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 3 Documents MSC: 47B99 Special classes of linear operators PDFBibTeX XMLCite \textit{J. Howard}, Colloq. Math. 22, 85--89 (1970; Zbl 0211.44704) Full Text: DOI