TY - JOUR AU - Ardentov, A. A. AU - Lokutsievskiy, L. V. AU - Sachkov, Yu. L. TI - Extremals for a series of sub-Finsler problems with 2-dimensional control via convex trigonometry JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2021 VL - 27 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/cocv/2021024/ DO - 10.1051/cocv/2021024 LA - en ID - COCV_2021__27_1_A34_0 ER -