Crossover exponents, fractal dimensions and logarithms in Landau–Potts field theories M. Safari, G. P. Vacca and O. Zanusso Eur. Phys. J. C, 80 12 (2020) 1127 Published online: 07 December 2020 DOI: 10.1140/epjc/s10052-020-08687-0