Escassut, Alain Spectre algébrique et idempotents associes dans une algèbre de Banach ultrametrique. (French) Zbl 0258.12012 C. R. Acad. Sci., Paris, Sér. A 275, 1285-1287 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 12J10 Valued fields 11S80 Other analytic theory (analogues of beta and gamma functions, \(p\)-adic integration, etc.) 46J20 Ideals, maximal ideals, boundaries PDFBibTeX XMLCite \textit{A. Escassut}, C. R. Acad. Sci., Paris, Sér. A 275, 1285--1287 (1972; Zbl 0258.12012)