1. Bonfiglioli, A.: Homogeneous Carnot groups related to sets of vector fields. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 7, 79–107 (2004)
2. Bonfiglioli A.: An ODE’s version of the formula of Baker, Campbell, Dynkin and Hausdorff and the construction of Lie groups with prescribed Lie algebra. Mediterr. J. Math. 7, 387–414 (2010)
3. Bonfiglioli, A., Lanconelli, E.: Lie groups constructed from Hörmander operators. Fundamental solutions and applications to Kolmogorov–Fokker–Planck equations. to appear in Commun. Pure Appl. Anal.
4. Bonfiglioli A., Lanconelli E.: On left invariant Hörmander operators in $${\mathbb{R}^N}$$ . Applications to Kolmogorov–Fokker–Planck equations. J. Math. Sci. 171, 22–33 (2010)
5. Bonfiglioli, A., Lanconelli, E., Uguzzoni, F.: Stratified Lie Groups and Potential Theory for their sub-Laplacians. Springer Monographs in Mathematics, New York, NY, Springer (2007)