On Ricci η -recurrent ( L C S ) n -manifolds. Prakasha, D.G. — 2010 Acta Universitatis Apulensis. Mathematics - Informatics
Conservative projective curvature tensor on trans-Sasakian manifolds with respect to semi-symmetric metric connection. Bagewadi, C.S.; Prakasha, D.G.; Venkatesha — 2007 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică