Bokhari, Ashfaque H.; Kara, A. H.; Karim, M.; Zaman, F. D. Invariance analysis and variational conservation laws for the wave equation on some manifolds. (English) Zbl 1174.83001 Int. J. Theor. Phys. 48, No. 7, 1919-1928 (2009). MSC: 83C40 83C35 83C05 PDFBibTeX XMLCite \textit{A. H. Bokhari} et al., Int. J. Theor. Phys. 48, No. 7, 1919--1928 (2009; Zbl 1174.83001) Full Text: DOI
Bokhari, Ashfaque H.; Kara, A. H. Noether versus Killing symmetry of conformally flat Friedmann metric. (English) Zbl 1136.83010 Gen. Relativ. Gravitation 39, No. 12, 2053-2059 (2007). MSC: 83C15 83C05 PDFBibTeX XMLCite \textit{A. H. Bokhari} and \textit{A. H. Kara}, Gen. Relativ. Gravitation 39, No. 12, 2053--2059 (2007; Zbl 1136.83010) Full Text: DOI
Bokhari, Ashfaque H.; Kara, A. H.; Kashif, A. R.; Zaman, F. D. On the symmetry structures of the Minkowski metric and a Weyl re-scaled metric. (English) Zbl 1128.83006 Int. J. Theor. Phys. 46, No. 11, 2795-2800 (2007). MSC: 83C10 83E05 PDFBibTeX XMLCite \textit{A. H. Bokhari} et al., Int. J. Theor. Phys. 46, No. 11, 2795--2800 (2007; Zbl 1128.83006) Full Text: DOI