@article{03881432, title = {Contact co-isotropic CR submanifolds of a pseudo-Sasakian manifold.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {7}, year = {1984}, pages = {339-350}, doi = {10.1155/S0161171284000363}, zbl = {0553.53030}, language = {en}, url = {http://dml.mathdoc.fr/item/03881432} }
Goldberg, Vladislav V.; Rosca, Radu. Contact co-isotropic CR submanifolds of a pseudo-Sasakian manifold.. International Journal of Mathematics and Mathematical Sciences, Tome 7 (1984) pp. 339-350. doi : 10.1155/S0161171284000363. http://gdmltest.u-ga.fr/item/03881432/