Publisher
Springer Science and Business Media LLC
Subject
General Physics and Astronomy
Reference5 articles.
1. A. O. Barut, L. Girardello andW. Wyss:Helv. Phys. Acta,31, 807 (1976).
2. K. Akama:Prog. Theor. Phys.,60, 1900 (1978).
3. V. de Alfaro, S. Fubini andG. Furlan:Nuovo Cimento A,50, 523 (1979).
4. G. Clement:Field Theory, Quantization, and Statistical Physics (London, 1981), p. 59.
5. R. Kerner:Relativity and Gravitation (London, 1971), p. 205.