Schenkman, Eugene On the norm of a group. (English) Zbl 0099.25104 Ill. J. Math. 4, 150-152 (1960). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 53 Documents Keywords:group theory PDFBibTeX XMLCite \textit{E. Schenkman}, Ill. J. Math. 4, 150--152 (1960; Zbl 0099.25104)