[[1] Bejan C.L., Crasmareanu M., Second order parallel tensors and Ricci solitons in 3-dimensional normal paracontact geometry, Ann. Global Anal. Geom. 46 (2014), no. 2, 117–127.10.1007/s10455-014-9414-4]Open DOISearch in Google Scholar
[[2] Blair D.E., Contact Manifolds in Riemannian Geometry, Lecture Notes in Mathematics, Vol. 509, Springer-Verlag, Berlin–Heidelberg, 1976.10.1007/BFb0079307]Search in Google Scholar
[[3] De U.C., Yildiz A., Yalınız A.F., On ffi-recurrent Kenmotsu manifolds, Turkish J. Math. 33 (2009), no. 1, 17–25.]Search in Google Scholar
[[4] De U.C., Ghosh S., D-homothetic deformation of normal almost contact metric manifolds, Ukrainian Math. J. 64 (2013), no. 10, 1514–1530.]Search in Google Scholar
[[5] Ghosh A., Sharma R., K-contact metrics as Ricci solitons, Beitr. Algebra Geom. 53 (2012), no. 1, 25–30.]Search in Google Scholar
[[6] Ghosh A., Sharma R., Sasakian metric as a Ricci soliton and related results, J. Geom. Phys. 75 (2014), 1–6.10.1016/j.geomphys.2013.08.016]Search in Google Scholar
[[7] Nagaraja H.G., Premalatha C.R., Da-homothetic deformation of K-contact manifolds, ISRN Geom. 2013, Art. ID 392608, 7 pp.10.1155/2013/392608]Search in Google Scholar
[[8] Nagaraja H.G., Premalatha C.R., Ricci solitons in f-Kenmotsu manifolds and 3-dimensional trans-Sasakian manifolds, Progr. Appl. Math. 3 (2012), no. 2, 1–6.]Search in Google Scholar
[[9] Nagaraja H.G., Premalatha C.R., Ricci solitons in Kenmotsu manifolds, J. Math. Anal. 3 (2012), no. 2, 18–24.]Search in Google Scholar
[[10] Shaikh A.A., Baishya K.K., Eyasmin S., On D-homothetic deformation of trans-Sasakian structure, Demonstratio Math. 41 (2008), no. 1, 171–188.]Search in Google Scholar
[[11] Sharma R., Certain results on K-contact and (k, µ)-contact manifolds, J. Geom. 89 (2008), no. 1, 138–147.]Search in Google Scholar
[[12] Sharma R., Ghosh A., Sasakian 3-manifold as a Ricci soliton represents the Heisenberg group, Int. J. Geom. Methods Mod. Phys. 8 (2011), no. 1, 149–154.]Search in Google Scholar
[[13] Tanno S., The topology of contact Riemannian manifolds, Illinois J. Math. 12 (1968), 700–717.]Search in Google Scholar
[[14] Yano K., Integral Formulas in Riemannian Geometry, Pure and Applied Mathematics, No. 1, Marcel Dekker, Inc., New York, 1970.]Search in Google Scholar
[[15] Yildiz A., De U.C., Turan M., On 3-dimensional f-Kenmotsu manifolds and Ricci solitons, Ukrainian Math. J. 65 (2013), no. 5, 684–693.]Search in Google Scholar