A J Accioly et al 1993 Class. Quantum Grav. 10 L215 doi:10.1088/0264-9381/10/12/001
A J Accioly, U F Wichoski, S F Kwok and N L P Pereira da Silva
Show affiliationsIt is shown that the action functional S(g, phi )= integral d4x square root (-g)((R/K)(1+k lambda phi 2)+ delta u phi delta mu phi ) describes, in general, one and the same classical theory whatever may be the value of the coupling constant lambda .
04.20.-q Classical general relativity
04.25.Nx Post-Newtonian approximation; perturbation theory; related approximations
83C05 Einstein's equations (general structure, canonical formalism, Cauchy problems)
Issue 12 (December 1993)
A J Accioly et al 1993 Class. Quantum Grav. 10 L215
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