VIEN, V. V.; LONG, H. N.; THU, P. N. Inverted neutrino mass hierarchy and mixing in the Zee-Babu model. Communications in Physics, [S. l.], v. 25, n. 4, p. 291, 2016. DOI: 10.15625/0868-3166/25/4/7651. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/7651. Acesso em: 6 dec. 2021.