TY - RPRT TI - Asymptotically Friedmann and Friedmann-type solutions to Einstein's equations when quantum effects due to conformally invariant fields are taken into account. AU - S Wada PY - 1985 DO - 10.1103/physrevd.31.2470 UR - https://pubmed.ncbi.nlm.nih.gov/9955543/ ID - 9955543 ER -