Couch, W. E.; Torrence, R. J. Generalized Darboux maps and massless spin-s fields. (English) Zbl 0666.53044 Gen. Relativ. Gravitation 21, No. 5, 509-515 (1989). MSC: 53B50 83C47 PDFBibTeX XMLCite \textit{W. E. Couch} and \textit{R. J. Torrence}, Gen. Relativ. Gravitation 21, No. 5, 509--515 (1989; Zbl 0666.53044) Full Text: DOI
Torrence, R. J.; Couch, W. E. Note on Kantowski-Sachs spacetimes. (English) Zbl 0641.53072 Gen. Relativ. Gravitation 20, No. 6, 603-606 (1988). MSC: 53B50 83C20 PDFBibTeX XMLCite \textit{R. J. Torrence} and \textit{W. E. Couch}, Gen. Relativ. Gravitation 20, No. 6, 603--606 (1988; Zbl 0641.53072) Full Text: DOI
Torrence, R. J.; Couch, W. E. Progressing waves on spherical spacetimes. (English) Zbl 0637.53094 Gen. Relativ. Gravitation 20, No. 4, 348-358 (1988). MSC: 53B50 83C20 83C50 PDFBibTeX XMLCite \textit{R. J. Torrence} and \textit{W. E. Couch}, Gen. Relativ. Gravitation 20, No. 4, 348--358 (1988; Zbl 0637.53094) Full Text: DOI
Torrence, R. J.; Couch, W. E. Note on equivalence of cosmological space-times. (English) Zbl 0586.53035 Gen. Relativ. Gravitation 18, 585-589 (1986). MSC: 53B50 83C15 PDFBibTeX XMLCite \textit{R. J. Torrence} and \textit{W. E. Couch}, Gen. Relativ. Gravitation 18, 585--589 (1986; Zbl 0586.53035) Full Text: DOI