%0 Journal Article %A R. S. Akopyan %A B. M. Darinskii %T On the Orbits of 4-Dimensional Representations of the 3-Dimensional Heisenberg Algebra %J Matematičeskie zametki %D 2023 %P 306-311 %V 114 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2023_114_2_a11/ %G ru %F MZM_2023_114_2_a11