Hehl, Friedrich W.; Obukhov, Yuri N. Foundations of classical electrodynamics. Charge, flux, and metric. (English) Zbl 1032.78001 Progress in Mathematical Physics. 33. Boston, MA: Birkhäuser. xiv, 410 p. (2003). Reviewer: Ll.G.Chambers (Bangor) MSC: 78-02 83C50 53Z05 81-02 85A40 PDFBibTeX XMLCite \textit{F. W. Hehl} and \textit{Y. N. Obukhov}, Foundations of classical electrodynamics. Charge, flux, and metric. Boston, MA: Birkhäuser (2003; Zbl 1032.78001)
Socorro, José; Macías, Alfredo; Hehl, Friedrich W. Computer algebra in gravity: Reduce-Excalc programs for (non-)Riemannian space-times. I. (English) Zbl 1002.83500 Comput. Phys. Commun. 115, No. 2-3, 264-283 (1998). MSC: 83-04 83D05 PDFBibTeX XMLCite \textit{J. Socorro} et al., Comput. Phys. Commun. 115, No. 2--3, 264--283 (1998; Zbl 1002.83500) Full Text: DOI arXiv