1. S. Chandrasekhar:Phys. Rev. Lett.,12, 114, 437 (1964);Astrophys. Journ.,140, 417 (1964).
2. C. W. Misner andH. S. Zapolsky:Phys. Rev. Lett.,12, 635 (1964).
3. S. Chandrasekhar:Phys. Rev. Lett.,14, 241 (1965);Post-Newtonian hydrodynamics and the stability of gaseous masses, inProceedings of the London Conference on Relativistic Theories of Gravitation, vol.1 (London, 1965).
4. See, for example,Quasi-Stellar Sources and Gravitational Collapse, edited byI. Robinson, A. Schild andE. L. Schucking (Chicago, Ill., 1965); andProceedings of the Second Texas Conference on Relativistic Astrophysics (in press).
5. See, for example,L. D. Landau andE. M. Liftshitz:The Classical Theory of Fields, Chap. 11, Sect.105 (London, 1962). For a generalization of the Einstein, Infeld and Hoffmann equation to higher accuracy that takes into account gravitational radiation see ref. (6).