Jordan, D. A. Unique factorisation of normal elements in polynomial rings. (English) Zbl 0662.16004 Proc. R. Soc. Edinb., Sect. A 110, No. 3-4, 241-247 (1988). Reviewer: A.W.Chatters MSC: 16N60 16P40 16U10 PDFBibTeX XMLCite \textit{D. A. Jordan}, Proc. R. Soc. Edinb., Sect. A, Math. 110, No. 3--4, 241--247 (1988; Zbl 0662.16004) Full Text: DOI
Davidson, Kenneth R. The distance between unitary orbits of normal elements in the Calkin algebra. (English) Zbl 0569.47027 Proc. R. Soc. Edinb., Sect. A 99, 35-43 (1984). MSC: 47B15 47C15 PDFBibTeX XMLCite \textit{K. R. Davidson}, Proc. R. Soc. Edinb., Sect. A, Math. 99, 35--43 (1984; Zbl 0569.47027) Full Text: DOI