@article{TM_2023_321_a3,
     author = {I. A. Bogaevsky},
     title = {Front {Asymptotics} of a {Flat} {Sub-Riemannian} {Structure} on the {Engel} {Distribution}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {62--76},
     publisher = {mathdoc},
     volume = {321},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2023_321_a3/}
}