%0 Journal Article %A I. A. Bogaevsky %T Front Asymptotics of a Flat Sub-Riemannian Structure on the Engel Distribution %J Informatics and Automation %D 2023 %P 62-76 %V 321 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2023_321_a3/ %G ru %F TRSPY_2023_321_a3