TY - JOUR AU - Samuel Ssekajja TI - Lightlike Hypersurfaces in Semi-Riemmanian Manifolds Admitting Affine Conformal Vector Fields JO - Kragujevac Journal of Mathematics PY - 2023 SP - 297 VL - 47 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2023_47_2_a9/ LA - en ID - KJM_2023_47_2_a9 ER -