Geodesic
Non-Existence of Proper Semi-Invariant Submanifolds of a Lorentzian Para-Sasakian Manifold
Bulletin of the Malaysian Mathematical Society, Tome 22 (1999) no. 2 
U.C. De; Absos Ali Shaikh. Non-Existence of Proper Semi-Invariant
                        Submanifolds of a Lorentzian Para-Sasakian Manifold. Bulletin of the Malaysian Mathematical Society, Tome 22 (1999) no. 2. http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a7/
@article{BMMS_1999_22_2_a7,
     author = {U.C. De and Absos Ali Shaikh},
     title = {Non-Existence of {Proper} {Semi-Invariant
}                        {Submanifolds} of a {Lorentzian} {Para-Sasakian} {Manifold}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {1999},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a7/}
}
TY  - JOUR
AU  - U.C. De
AU  - Absos Ali Shaikh
TI  - Non-Existence of Proper Semi-Invariant
                        Submanifolds of a Lorentzian Para-Sasakian Manifold
JO  - Bulletin of the Malaysian Mathematical Society
PY  - 1999
VL  - 22
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a7/
ID  - BMMS_1999_22_2_a7
ER  - 
%0 Journal Article
%A U.C. De
%A Absos Ali Shaikh
%T Non-Existence of Proper Semi-Invariant
                        Submanifolds of a Lorentzian Para-Sasakian Manifold
%J Bulletin of the Malaysian Mathematical Society
%D 1999
%V 22
%N 2
%U http://geodesic.mathdoc.fr/item/BMMS_1999_22_2_a7/
%F BMMS_1999_22_2_a7

Voir la notice de l'article provenant de la source BMMS

The main objective of the paper is to prove that a Lorentzian para-Sasakian manifold does not admit any proper semi-invariant submanifold.