@article{TM_2019_304_a3, author = {A. A. Ardentov and E. Le Donne and Yu. L. Sachkov}, title = {A {Sub-Finsler} {Problem} on the {Cartan} {Group}}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {49--67}, publisher = {mathdoc}, volume = {304}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_2019_304_a3/} }