Stratified Lie Groups and Potential Theory for their Sub-Laplacians - Bonfiglioli, A.; Lanconelli, E.; Uguzzoni, F.; SpringerLink (Online service) (Berlin, Heidelberg : Springer Berlin Heidelberg, 2007)
Keywords: Mathematics; Topological Groups; Differential equations, partial; Potential theory (Mathematics).; Mathematics; Partial Differential Equations; Potential Theory; Topological Groups, Lie Groups