1. L. D. Landau andE. M. Lifshitz:Théorie des champs, 3rd Ed. (Moscow, 1970), p. 216.
2. F. Rohrlich:Classical Charged Particles (Reading, Mass., 1965), p. 111.
3. L. Page:Phys. Rev.,11, 376 (1918).
4. F. Fohrlich:Classical Charged Particles (Reading, Mass., 1965), p. 141.
5. F. Rohrlich:Classical Charged Particles (Reading, Mass., 1965), p. 18;H. A. Atwater:Amer. Journ. Phys.,38, 1447 (1970).