Completeness identity in field theory

O. W. Greenberg:Phys. Rev.,115, 706 (1959), in particular p. 708.

G. F. Dell’Antonio:Journ. Math. Phys.,2, 759 (1961);O. W. Greenberg:Ann. Phys.,16, 158 (1961);A. L. Licht andJ. S. Toll:Nuovo Cimento,21, 346 (1961).

R. Haag andB. Schroer: University of Illinois, preprint (1961).

E. C. G. Sudarshan andK. Bardakci:Journ. Math. Phys.,2, 767 (1961).

K. Hepp, R. Jost, D. Ruelle andO. Steinmann:Helv. Phys. Acta,34, 542 (1961);H.-J. Borchers:Nuovo Cimento,24. 214 (1962);T. F. Jordan andE. C. G. Sudarshan: University of Rochester preprint (1962).