Atkinson, F. V. Some further estimates concerning sums of powers of complex numbers. (English) Zbl 0175.32702 Acta Math. Acad. Sci. Hung. 20, 193-210 (1969). PDFBibTeX XMLCite \textit{F. V. Atkinson}, Acta Math. Acad. Sci. Hung. 20, 193--210 (1969; Zbl 0175.32702) Full Text: DOI
Atkinson, F. V. On sums of powers of complex numbers. (English) Zbl 0097.26005 Acta Math. Acad. Sci. Hung. 12, 185-188 (1961). PDFBibTeX XMLCite \textit{F. V. Atkinson}, Acta Math. Acad. Sci. Hung. 12, 185--188 (1961; Zbl 0097.26005) Full Text: DOI
Atkinson, F. V. A spectral problem for completely continuous operators. (English. Russian summary) Zbl 0047.36001 Acta Math. Acad. Sci. Hung. 3, 53-60 (1952). PDFBibTeX XMLCite \textit{F. V. Atkinson}, Acta Math. Acad. Sci. Hung. 3, 53--60 (1952; Zbl 0047.36001) Full Text: DOI