K. BHAVYA; G. SOMASHEKHARA; G. S. SHIVAPRASANNA. Ricci Solitons on ($\varepsilon,\delta $) Trans-Sasakian Manifolds. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - D, p. 539–545, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1304. Acesso em: 3 jul. 2024.