1. Graduate Texts in Mathematics;Bott, Raoul,1982
2. Real hypersurfaces in complex manifolds;Burns, D., Jr.,1977
3. Distinguished curves in pseudoconvex boundaries;Burns, D., Jr.;Duke Math. J.,1977
4. Sur la géométrie pseudo-conforme des hypersurfaces de l’espace de deux variables complexes II;Cartan, Élie;Ann. Scuola Norm. Super. Pisa Cl. Sci. (2),1932
5. The geodesics in Gödel’s universe;Chandrasekhar, S.;Proc. Nat. Acad. Sci. U.S.A.,1961