@article{dfac0f48922e4fda8e87306487cfc0b8,
title = "Extremals of a Left-Invariant Sub-Finsler Metric on the Engel Group",
abstract = "Using the Pontryagin maximum principle for the time-optimal problem in coordinates of the first kind,we find the extremals of an arbitrary left-invariant sub-Finsler metric on the Engel group defined by a distribution of rank 2.",
keywords = "(ab)normal extremal, extremal, left-invariant sub-Finsler metric, optimal control, polar curve, Pontryagin maximum principle",
author = "Berestovskii, {V. N.} and Zubareva, {I. A.}",
note = "Publisher Copyright: {\textcopyright} 2020, Pleiades Publishing, Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = jul,
day = "1",
doi = "10.1134/S0037446620040023",
language = "English",
volume = "61",
pages = "575--588",
journal = "Siberian Mathematical Journal",
issn = "0037-4466",
publisher = "MAIK NAUKA/INTERPERIODICA/SPRINGER",
number = "4",
}