Jean, Sandrine Conjugacy classes of series in positive characteristic and Witt vectors. (English) Zbl 1233.12011 J. Théor. Nombres Bordx. 21, No. 2, 263-284 (2009). Reviewer: Scott Corry (Appleton) MSC: 12J99 13F35 11S15 11S20 20E18 20F28 PDFBibTeX XMLCite \textit{S. Jean}, J. Théor. Nombres Bordx. 21, No. 2, 263--284 (2009; Zbl 1233.12011) Full Text: DOI Numdam Numdam EuDML
Thomas, Lara Ramification groups in Artin-Schreier-Witt extensions. (English) Zbl 1207.11109 J. Théor. Nombres Bordx. 17, No. 2, 689-720 (2005). MSC: 11S15 11S31 PDFBibTeX XMLCite \textit{L. Thomas}, J. Théor. Nombres Bordx. 17, No. 2, 689--720 (2005; Zbl 1207.11109) Full Text: DOI Numdam EuDML Link
Cogdell, James W. On sums of three squares. (English) Zbl 1050.11043 J. Théor. Nombres Bordx. 15, No. 1, 33-44 (2003). Reviewer: Rainer Schulze-Pillot (Saarbrücken) MSC: 11E25 11F27 11F41 PDFBibTeX XMLCite \textit{J. W. Cogdell}, J. Théor. Nombres Bordx. 15, No. 1, 33--44 (2003; Zbl 1050.11043) Full Text: DOI Numdam EuDML