Verduch, J. R. Martinez Fischer classes in finite groups. (English) Zbl 0354.20021 Collect. Math. 27, 109-117 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 20D99 Abstract finite groups 20D10 Finite solvable groups, theory of formations, Schunck classes, Fitting classes, \(\pi\)-length, ranks PDFBibTeX XMLCite \textit{J. R. M. Verduch}, Collect. Math. 27, 109--117 (1976; Zbl 0354.20021) Full Text: EuDML