TY - JOUR AU - Tommaso Bruno TI - Maximal Hypoellipticity for Left-Invariant Differential Operators on Lie Groups JO - Journal of Lie Theory PY - 2019 SP - 801 EP - 809 VL - 29 IS - 3 UR - http://geodesic.mathdoc.fr/item/JOLT_2019_29_3_a8/ ID - JOLT_2019_29_3_a8 ER -