Addendum to “Strong-coupling behavior of φ 4 theories and critical exponents”
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The graphical extrapolation procedure to infinite order of variational perturbation theory in a recent calculation of critical exponents of three-dimensional ${\ensuremath{\varphi}}^{4}$ theories is improved by another way of plotting the results.
[1] H. Kleinert. Variational interpolation algorithm between weak- and strong-coupling expansions — application to the polaron , 1995, quant-ph/9507005.