@article{JOLT_2022_32_3_a1, author = {B\'echir Dali and Chaima Sayari}, title = {The {Cortex} of {Nilpotent} {Lie} {Algebras} of {Dimensions} {Less} or {Equal} to 7 and {Semi-Direct} {Product} of {Vector} {Groups:} {Nilpotent} {Case}}, journal = {Journal of Lie Theory}, pages = {643--670}, year = {2022}, volume = {32}, number = {3}, url = {http://geodesic.mathdoc.fr/item/JOLT_2022_32_3_a1/} }