B. Cappelletti Montano and L. Di Terlizzi, D-homothetic transformations for a generalization of contact metric manifolds,Bull. Belg. Math. Soc. Simon Stevin 14 (2007), 277–289.
D. Blair, Contact manifolds in Riemannian Geometry, Lectures Notes in Math. Springer- Verlag, Berlin-Heidelberg-New-York, 509 (1976).
D.E. Blair, Geometry of manifolds with structural group U (n) × O(s), J. Diff. Geom., 4(2) (1970), 155-167.
D.E. Blair, T. Koufogiorgos, B.J. Papantoniou, Contact metric manifolds satisfying a nullity condition, Israel J. Math., 91 (1995), 189-214.
G. Dileo, A. Lotta, On the structure and symmetry properties of almost S-manifolds, Geom. Dedicata 110 (2005), 191–211.
J. Vanzura, Almost r-contact structures, Ann. Scuola Norm. Sup. Pisa Sci. Fis. Mat. 26 (1972), 97–115.
J.L. Cabrerizo, L.M. Fernandez, M. Fernandez, The curvature tensor fields on f-manifolds with complemented frames, An. Univ. ‘Al.I. Cuza’, Ia¸si, Mat., 36 (1990), 151–161.
K.L. Duggal, S. Ianus, A.M. Pastore, Maps interchanging f–structures and their harmonicity, Acta Appl. Math., 67 (1) (2001), 91-115.
L. Di Terlizzi, J. Konderak, Examples of a generalization of a contact metric manifolds, Journal of Geometry, to appear.
M.C. Chaki, On pseudo Ricci-symmetric manifolds, Bulgar J. Phys., 15 (1988), 526-531.
B. Cappelletti Montano and L. Di Terlizzi, D-homothetic transformations for a generalization of contact metric manifolds,Bull. Belg. Math. Soc. Simon Stevin 14 (2007), 277–289.
D. Blair, Contact manifolds in Riemannian Geometry, Lectures Notes in Math. Springer- Verlag, Berlin-Heidelberg-New-York, 509 (1976).
D.E. Blair, Geometry of manifolds with structural group U (n) × O(s), J. Diff. Geom., 4(2) (1970), 155-167.
D.E. Blair, T. Koufogiorgos, B.J. Papantoniou, Contact metric manifolds satisfying a nullity condition, Israel J. Math., 91 (1995), 189-214.
G. Dileo, A. Lotta, On the structure and symmetry properties of almost S-manifolds, Geom. Dedicata 110 (2005), 191–211.
J. Vanzura, Almost r-contact structures, Ann. Scuola Norm. Sup. Pisa Sci. Fis. Mat. 26 (1972), 97–115.
J.L. Cabrerizo, L.M. Fernandez, M. Fernandez, The curvature tensor fields on f-manifolds with complemented frames, An. Univ. ‘Al.I. Cuza’, Ia¸si, Mat., 36 (1990), 151–161.
K.L. Duggal, S. Ianus, A.M. Pastore, Maps interchanging f–structures and their harmonicity, Acta Appl. Math., 67 (1) (2001), 91-115.
L. Di Terlizzi, J. Konderak, Examples of a generalization of a contact metric manifolds, Journal of Geometry, to appear.
M.C. Chaki, On pseudo Ricci-symmetric manifolds, Bulgar J. Phys., 15 (1988), 526-531.
1.Nesip Aktan, Yavuz Selimbalkan, ErdalÖzüsağlam . CYLCIC-PARALLEL RICCI TENSOR OF ALMOST S-MANIFOLDS. Konuralp J. Math. [Internet]. 2013 Apr. 1;1(1):1-7. Available from: https://izlik.org/JA44SH46BW