The influence of a weak magnetic field in the Renormalization-Group functions of (2 + 1)-dimensional Dirac systemsNatália Menezes, Van Sérgio Alves and Cristiane Morais SmithEur. Phys. J. B, 89 12 (2016) 271DOI: https://doi.org/10.1140/epjb/e2016-70606-4