Zhelnorovich, V. A.; Sedov, L. I. On the variational method of derivation of equations of state for a material medium and a gravitational field. (English. Russian original) Zbl 0441.76101 J. Appl. Math. Mech. 42, 827-838 (1979); translation from Prikl. Mat. Mekh. 42, 771-780 (1978). MSC: 76Y05 49S05 83C99 85A40 PDFBibTeX XMLCite \textit{V. A. Zhelnorovich} and \textit{L. I. Sedov}, J. Appl. Math. Mech. 42, 827--838 (1979; Zbl 0441.76101); translation from Prikl. Mat. Mekh. 42, 771--780 (1978) Full Text: DOI
Petry, Walter Lorentz-covariant theory of gravitation. (English) Zbl 0438.70007 Gen. Relativ. Gravitation 10, 599-608 (1979). Reviewer: M. D. Maia MSC: 83D05 53B50 70H03 PDFBibTeX XMLCite \textit{W. Petry}, Gen. Relativ. Gravitation 10, 599--608 (1979; Zbl 0438.70007) Full Text: DOI