Kumar Yadav, S. ., A. . Kushwaha, and D. . Narain. “Certain Results for η-Ricci Solitons and Yamabe Solitons on Quasi-Sasakian 3-Manifolds”. CUBO, A Mathematical Journal, vol. 21, no. 2, Aug. 2019, pp. 77–98, doi:10.4067/S0719-06462019000200077.