GANGULY, D.; DEY, S.; BHATTACHARYYA, A. On trans-Sasakian $3$-manifolds as $\eta$-Einstein solitons. Carpathian Mathematical Publications, [S. l.], v. 13, n. 2, p. 460–474, 2021. DOI: 10.15330/cmp.13.2.460-474. Disponível em: https://scijournals.pnu.edu.ua/index.php/cmp/article/view/4275. Acesso em: 16 jun. 2024.