TY - JOUR AU - Béchir Dali AU - Chaima Sayari TI - The Cortex of Nilpotent Lie Algebras of Dimensions Less or Equal to 7 and Semi-Direct Product of Vector Groups: Nilpotent Case JO - Journal of Lie Theory PY - 2022 SP - 643 EP - 670 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/item/JOLT_2022_32_3_a1/ ID - JOLT_2022_32_3_a1 ER -