Contents

676 ReferencesSchmidt, B.G. (1996). Vacuum spacetimes with toroidal null infinities. CQG 13, 2811.See §17.2.Schmidt, H.J. (1998). Consequences of the noncompactness of the Lorentz group. Int.J. Theor. Phys. 37, 691.See §9.1.Schouten, J.A. (1954).Ricci-calculus (Springer-Verlag, Berlin).See §§2.1, 3.1.Schutz, B.(1980).Geometrical methods of mathematical physics (Cambridge UniversityPress, Cambridge).See §2.1.Schwarzschild, K.(1916a).Über das Gravitationsfeld eines Masenpunktes nach derEinsteinschen Theorie.Sitz. Preuss. Akad. Wiss., 189.See §15.4.Schwarzschild, K.(1916b).Über das Gravitationsfeldeiner Kugel aus inkompressiblerFlüssigkeit nach der Einsteinschen Theorie. Sitz. Preuss. Akad. Wiss., 424. See§16.1.Sciama, D.W. (1961). Recurrent radiation in general relativity. Proc. Camb. Phil. Soc.57, 436.See §35.2.Segre, C.(1884).Sulla teoria e sulla classificazione delle omografie in uno spazio linearead un numero qualcunque di dimensioni. Memorie della R. Accademia dei Lincei,ser. 3a XIX, 127.See §5.1.Seixas, W.(1991).Extensions to the computer-aided classification of the Ricci tensor.CQG 8, 1577.See §9.3.Seixas, W.(1992a).Computer-aided classification of exact solutions.Ph.D.thesis,Queen Mary and Westfield College, London.See §9.4.Seixas, W.(1992b).Killing vectors in conformally flat perfect fluids via invariantclassification.CQG 9, 225.See §§9.2, 37.4.Sen,N.(1924).Über die Grenzbedingungen des Schwerefeldes an Unstetigkeitsflächen.Ann. Phys. (Germany) 73, 365.See §3.8.Sengier-Diels, J.(1974a).Espaces pseudo-riemanniens homogenènes à quatre dimensions.Bull.Acad. Roy. Belg. Cl. Sci. 60, 1469.See §12.1.Sengier-Diels, J.(1974b).Sur les espaces homogenes de la relativité.Ph.D.thesis,Université Libre de Bruxelles.See §12.1.Senin, Y.E. (1982). Cosmology with toroidal distribution of a fluid, in Problems of gravitationtheory and elementary particle theory, 13th issue, ed.K.P.Stanyukovich,page 107 (Energoizdat, Moscow).See §23.3.Senovilla, J.M.M. (1987a). New LRS perfect-fluid cosmological models. CQG 4, 1449.See §§14.3, 32.5.Senovilla, J.M.M. (1987b).On Petrov type-D stationary axisymmetric rigidly rotatingperfect-fluid metrics.CQG 4, L115.See §21.2.Senovilla, J.M.M. (1987c). Stationary axisymmetric perfect-fluid metrics withq +3p = const.Phys. Lett. A 123, 211.See §21.2.Senovilla, J.M.M. (1990). New class of inhomogeneous cosmological perfect-fluidsolutions without big-bang singularity.Phys. Rev. Lett. 64, 2219.See §23.3.Senovilla, J.M.M. (1992). New family of stationary and axisymmetric perfect-fluidsolutions.CQG 9, L167.See §21.2.Senovilla, J.M.M. (1993). Stationary and axisymmetric perfect-fluid solutions toEinstein’s equations, in Rotating objects and relativistic physics. Proceedings, eds.F.J. Chinea and L.M. Gonzalez-Romero, page 73 (Springer, Berlin).See §21.2.Senovilla, J.M.M. and Sopuerta, C.F. (1994). New G 1 and G 2 inhomogeneous cosmologicalmodels from the generalized Kerr–Schild transformation. CQG 11, 2073.See §§32.5, 35.4.Senovilla, J.M.M., Sopuerta, C.F. and Szekeres, P. (1998). Theorems on shear-freeperfect fluids with their Newtonian analogues.GRG 30, 389.See §6.2.Senovilla, J.M.M. and Vera, R. (1997). Dust G 2 cosmological models. CQG 14, 3481.See §23.3.Senovilla, J.M.M. and Vera, R. (1998). G 2 cosmological models separable in noncomovingcoordinates.CQG 15, 1737.See §23.3.