%0 Journal Article %A A. L. Kazakov %A A. A. Lempert %T On the route construction in changing environments using solutions of the eikonal equation %J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta %D 2021 %P 59-72 %V 58 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIMI_2021_58_a3/ %G ru %F IIMI_2021_58_a3