TY  - BOOK
TI  - Introduction to the Heisenberg Group and the sub-Riemannian isoperimetric problem
SN  - 9783764381325 (alk. paper) | 3764381329 (alk. paper) | 9783764381332 (e-ISBN) | 3764381337 (e-ISBN)
PY  - 2007///
CY  - Basel ; | Boston
PB  - Birkhäuser
ER  -