Ledermann, W.; Neumann, B. H. On the order of the automorphism group of a finite group. II. (English) Zbl 0075.24002 Proc. R. Soc. Lond., Ser. A 234, 235-246 (1956). PDFBibTeX XMLCite \textit{W. Ledermann} and \textit{B. H. Neumann}, Proc. R. Soc. Lond., Ser. A 234, 235--246 (1956; Zbl 0075.24002) Full Text: DOI
Ledermann, W.; Neumann, B. H. On the order of the automorphism group of a finite group. I. (English) Zbl 0068.25503 Proc. R. Soc. Lond., Ser. A 233, 494-506 (1955). MSC: 20-XX PDFBibTeX XMLCite \textit{W. Ledermann} and \textit{B. H. Neumann}, Proc. R. Soc. Lond., Ser. A 233, 494--506 (1955; Zbl 0068.25503) Full Text: DOI