TY - JOUR AU - A. V. Atanov AU - A. V. Loboda TI - On nondegenerate orbits of $7$-dimensional Lie algebras containing a $3$-dimensional Abelian ideal JO - Contemporary Mathematics. Fundamental Directions PY - 2024 SP - 517 EP - 532 VL - 70 IS - 4 UR - http://geodesic.mathdoc.fr/item/CMFD_2024_70_4_a0/ LA - ru ID - CMFD_2024_70_4_a0 ER -