An introduction to the Heisenberg Group and the sub-Riemannian isoperimetric problem - Capogna, Luca, 1966-; SpringerLink (Online service) (Basel : Birkhuser Verlag AG, 2007)
Includes bibliographical references (p. [203]-218) and index.
Keywords: CR submanifolds; Isoperimetric inequalities; Quasiconformal mappings; Calculus of variations; Geometry, Differential