Accioly, A. J.Wichoski, U. F.Kwok, S. F.Dasilva, NLPP2014-05-202014-05-201993-12-01Classical and Quantum Gravity. Bristol: Iop Publishing Ltd, v. 10, n. 12, p. L215-L219, 1993.0264-9381http://hdl.handle.net/11449/38100It is shown that the action functional S[g, phi] = integral d4 x square-root -g[R/k(1 + klambdaphi2) + partial derivative(mu)phi partial derivative(mu)phi] describes, in general, one and the same classical theory whatever may be the value of the coupling constant lambda.L215-L219engCarta10.1088/0264-9381/10/12/001WOS:A1993MU35700001Acesso aberto