On the duality in CPT-even Lorentz-breaking theoriesA. P. Baêta Scarpelli, R. F. Ribeiro, J. R. Nascimento and A. Yu. PetrovEur. Phys. J. C, 75 7 (2015) 314DOI: https://doi.org/10.1140/epjc/s10052-015-3537-z