%0 Journal Article
%A Boarotto, Francesco
%A Nalon, Luca
%A Vittone, Davide
%T The Sard problem in step 2 and in filiform Carnot groups,
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2022
%V 28
%I EDP-Sciences
%U https://www.numdam.org/articles/10.1051/cocv/2022074/
%R 10.1051/cocv/2022074
%G en
%F COCV_2022__28_1_A75_0