@article{COCV_2022__28_1_A12_0,
     author = {Ardentov, Andrei and Hakavuori, Eero},
     title = {Cut time in the {sub-Riemannian} problem on the {Cartan} group},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     year = {2022},
     publisher = {EDP-Sciences},
     volume = {28},
     doi = {10.1051/cocv/2022006},
     mrnumber = {4379606},
     zbl = {1507.53028},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/cocv/2022006/}
}