An extended 3-3-1 model with two scalar triplets and linear seesaw mechanismA. E. Cárcamo Hernández, L. T. Hue, Sergey Kovalenko and H. N. LongEur. Phys. J. Plus, 136 11 (2021) 1158DOI: https://doi.org/10.1140/epjp/s13360-021-02146-9