1. H. A. Lorentz,Arch. Néerl. 10:336 (1905); see also H. A. Lorentz,Collected Papers (Martinus Nijhoff, The Hague, 1936), Vol. III.
2. E. H. Hauge, in1974 International School of Statistical Mechanics, Sitges, Spain (Springer-Verlag, Berlin, 1974), pp. 337?367.
3. C. S. Wang Chang and G. E. Uhlenbeck, inStudies in Statistical Mechanics, J. de Boer and G. E. Uhlenbeck, eds. (North-Holland, Amsterdam, 1970), Vol. V, Ch. V; for a recent study see J. L. Lebowitz and H. Spohn,J. Stat. Phys. 19:633 (1978).
4. H. B. Milloy,Austral. J. Phys. 30:73 (1977).
5. I. S. Gradshteyn and I. M. Ryzhik,Table of Integrals, Series, and Products, 4th ed. (Academic Press, New York, 1965).