1/N expansion for Horava–Lifshitz like four-fermion modelsM. Gomes, T. Mariz, J. R. Nascimento, A. Yu. Petrov and A. J. da SilvaEur. Phys. J. C, 80 6 (2020) 518DOI: https://doi.org/10.1140/epjc/s10052-020-8100-x