%0 Journal Article %A M. B. Karmanova %T Space-likeness of classes of level surfaces on Carnot groups and their metric properties %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 38-42 %V 492 %I mathdoc %U http://geodesic.mathdoc.fr/item/DANMA_2020_492_a7/ %G ru %F DANMA_2020_492_a7