An introduction to the Heisenberg Group and the sub-Riemannian isoperimetric problem/ 
Luca Capogna ... [et al.]. 
 - Basel;  Boston:  Birkhäuser,  c2007. 
 - xvi, 223 p.:  ill.;  24 cm. 
 - Progress in mathematics;  v. 259 .
 - Progress in mathematics;  v. 259 .
<br/><br/>Includes bibliographical references (p. [203]-218) and index. 
<br/><br/><label>ISBN: </label>9783764381325 (alk. paper) 3764381329 (alk. paper) 9783764381332 (e-ISBN) 3764381337 (e-ISBN) 
<br/><br/><label>LCCN: </label>2007922258 
<br/><br/><label>Nat. Bib. No.: </label>GBA726840  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CR submanifolds.<br/>Isoperimetric inequalities.<br/>Quasiconformal mappings.<br/>Calculus of variations.<br/>Geometry, Differential.<br/>CR-sous-variâetâes.<br/>Inégalités isopérimétriques.<br/>Applications quasi conformes.<br/>Calcul des variations.<br/>Géométrie différentielle.
<br/><br/><label>Dewey Class. No.: </label>516.36  / I61