Su, Li Pi; Whittaker, James V. On normal subgroups of differentiable homeomorphisms on \(R^ n\). (English) Zbl 0482.57013 Nanta Math. 13, 3-14 (1980). MSC: 57R50 58D05 57N15 PDFBibTeX XMLCite \textit{L. P. Su} and \textit{J. V. Whittaker}, Nanta Math. 13, 3--14 (1980; Zbl 0482.57013)
Whittaker, James V. Continuous mappings and quotient spaces. II. (English) Zbl 0265.55001 Proc. Lond. Math. Soc., III. Ser. 27, 505-530 (1973). MSC: 57M10 54B15 57M05 55Q05 PDFBibTeX XMLCite \textit{J. V. Whittaker}, Proc. Lond. Math. Soc. (3) 27, 505--530 (1973; Zbl 0265.55001) Full Text: DOI
Whittaker, James V. On normal subgroups of differentiable homeomorphisms. (English) Zbl 0246.57016 Pac. J. Math. 49, 579-594 (1973). MSC: 57S05 57R50 20D05 PDFBibTeX XMLCite \textit{J. V. Whittaker}, Pac. J. Math. 49, 579--594 (1973; Zbl 0246.57016) Full Text: DOI
Whittaker, James V. Continuous mappings and quotient spaces. I. (English) Zbl 0203.26303 Proc. Lond. Math. Soc. (3) 21, 475-488 (1970). MSC: 57-XX PDFBibTeX XMLCite \textit{J. V. Whittaker}, Proc. Lond. Math. Soc. (3) 21, 475--488 (1970; Zbl 0203.26303) Full Text: DOI