참고문헌
- A. Bejancu, Geometry of CR-submanifolds, D. Reidel publishing Company, Dordrecht, Boston, Lancaster, Tokyo, 1986.
- A. Bejancu, Umbilical semi-invariant submanifolds of a Sasakian manifold, Tensor N.S. 37(1982), 203-213.
- A. Bejancu and N. Papaghiuc, Semi-invariant submanifolds of a Sasakian manifold, An. St. Univ. Al. I. Cuza Iasi. 27(1981), 163-170.
- B. Y. Chen, Geometry of submanifolds, Marcel Dekker Inc., New York, 1973.
-
S. Funabashi, Automorphisms and a reduction theorem in a Sasakian space form
$E^-2m+1}(-3)$ , Annali di Matematica pura ed applicata (IV), CXLV(1986), 317-336. - B.Watson, The dierential geometry of two types of almost contact metric submersions, The mathematical heritage of C. F. Gauss, 827-861, World Sci. Publ., River Edge, NJ, 1991.
- K. Yano and M. Kon, Contact CR-submanifolds, Kodai Math. J. 5(1982), 238-252. https://doi.org/10.2996/kmj/1138036553
- K. Yano and M. Kon, CR-submanifolds of Kaehlerian and Sasakian Manifolds, Birkhauser, Boston, Basel, Stuttgart, 1983.
- K. Yano and M. Kon, Structures on manifolds, World Scientic, Singapore, 1984.