Kashyap, J. N. S.; Pant, D. N. An axially symmetric electromagnetic field in Einstein’s unified field theory. (English) Zbl 0231.53039 Prog. Math., Allahabad 3, 57-68 (1969). MSC: 53B50 83C05 PDFBibTeX XMLCite \textit{J. N. S. Kashyap} and \textit{D. N. Pant}, Prog. Math., Allahabad 3, 57--68 (1969; Zbl 0231.53039)
Tiwari, R.; Kashyap, J. N. S. On exact axially symmetric solutions in Einstein’s unified field theory. (English) Zbl 0231.53038 Prog. Math., Allahabad 3, 148-157 (1969). MSC: 53B50 83C05 PDFBibTeX XMLCite \textit{R. Tiwari} and \textit{J. N. S. Kashyap}, Prog. Math., Allahabad 3, 148--157 (1969; Zbl 0231.53038)
Ivanitskaya, O. S. Verallgemeinerte Lorentztransformationen und ihre Anwendung. (Obobchennye probrazovaniya Lorentsa i ikh promenie). (Russian) Zbl 0214.20701 Minsk: Verlag ‘Nauka i Tekhnika’. 226 S. (1969). MSC: 53B50 83C05 83-02 PDFBibTeX XML
Sciama, D. W.; Waylen, P. C.; Gilman, Robert C. Generally covariant integral formulation of Einstein’s field equation. (English) Zbl 0186.28703 Phys. Rev., II. Ser. 187, 1762-1766 (1969). MSC: 83C05 PDFBibTeX XMLCite \textit{D. W. Sciama} et al., Phys. Rev., II. Ser. 187, 1762--1766 (1969; Zbl 0186.28703) Full Text: DOI
Ghosh, N. N. Theory of analytic spinors. II. (English) Zbl 0183.29101 Proc. Natl. Inst. Sci. India, Part A 35, 351-358 (1969). MSC: 83C60 53C27 PDFBibTeX XMLCite \textit{N. N. Ghosh}, Proc. Natl. Inst. Sci. India, Part A 35, 351--358 (1969; Zbl 0183.29101)
Massa, Enrico On the mathematical structure of Einstein’s equations in mixed initial and boundary value problems. (English) Zbl 0181.57304 Commun. Math. Phys. 12, 246-252 (1969). MSC: 83C05 PDFBibTeX XMLCite \textit{E. Massa}, Commun. Math. Phys. 12, 246--252 (1969; Zbl 0181.57304) Full Text: DOI
Lal, K. B.; Ali, Najaf Plane wave solutions of Einstein’s unified field equations of non-symmetric theories in Bondi space-time. (English) Zbl 0179.30403 Tensor, New Ser. 20, 131-137 (1969). MSC: 83C05 PDFBibTeX XMLCite \textit{K. B. Lal} and \textit{N. Ali}, Tensor, New Ser. 20, 131--137 (1969; Zbl 0179.30403)
Ellis, G. F. R.; MacCallum, M. A. H. A class of homogeneous cosmological models. (English) Zbl 0177.57601 Commun. Math. Phys. 12, 108-141 (1969). MSC: 83C05 PDFBibTeX XMLCite \textit{G. F. R. Ellis} and \textit{M. A. H. MacCallum}, Commun. Math. Phys. 12, 108--141 (1969; Zbl 0177.57601) Full Text: DOI