References
- Lecture Notes in Math. v.509 Contact manifolds in Riemannian geometry D. L. Blair
- Ann. Sci. Ecole Norm. Sup. no.4 On Contact Sub-Riemannian Symmetric Spaces E. Falbel;C. Thomas
- J. London. Math. Soc. v.51 no.2 Hypercontact manifolds H. Geiges;C. Thomas https://doi.org/10.1112/jlms/51.2.342
- Yokohama Math. J. v.118 no.1 Notes on Pesudo-conformal manifolds H. Matsuda
- Trans, Amer. Math. Soc. v.314 no.1 Variationa Problems on contact Riemannian manifold S. Tanno https://doi.org/10.2307/2001446
- Japan. J. Math. v.2 no.1 On non-degenerate real hypersurfaces, graded Lie algebras and Cartan connections N. Tanaka https://doi.org/10.4099/math1924.2.131
- Ph.D. Thesis Real hypersurfaces in camplex spaces S. M. Webster