Beaumont, Ross A. Rings with additive group which is the direct sum of cyclic groups. (English) Zbl 0030.19703 Duke Math. J. 15, 367-369 (1948). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 11 Documents Keywords:Rings, modules, fields PDFBibTeX XMLCite \textit{R. A. Beaumont}, Duke Math. J. 15, 367--369 (1948; Zbl 0030.19703) Full Text: DOI