D. L., K. K.; H. G., N. RICCI SOLITONS AND GRADIENT RICCI SOLITONS IN LORENTZIAN TRANS-SASAKIAN MANIFOLDS. Bangmod International Journal of Mathematical and Computational Science, Bangkok, Thailand, v. 4, p. 65–73, 2018. Disponível em: https://bangmodjmcs.com/index.php/bangmodmcs/article/view/50. Acesso em: 19 sep. 2024.