Heyman, G. A. P.; Roos, C. Essential extensions in radical theory for rings. (English) Zbl 0375.16008 J. Aust. Math. Soc., Ser. A 23, 340-347 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 7 Documents MSC: 16Nxx Radicals and radical properties of associative rings 16N60 Prime and semiprime associative rings 16S20 Centralizing and normalizing extensions PDFBibTeX XMLCite \textit{G. A. P. Heyman} and \textit{C. Roos}, J. Aust. Math. Soc., Ser. A 23, 340--347 (1977; Zbl 0375.16008)