TY - JOUR AU - L. V. Lokutsievskiy AU - Yu. L. Sachkov TI - Liouville integrability of sub-Riemannian problems on Carnot groups of step 4 or greater JO - Sbornik. Mathematics PY - 2018 SP - 672 EP - 713 VL - 209 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2018_209_5_a3/ LA - en ID - SM_2018_209_5_a3 ER -