TY - BOOK AU - Cherix, Pierre-Alain TI - Groups with the Haagerup property: ; Gromov's a-T-menability SN - 3764365986 U1 - 513 PY - 2001/// CY - Basel PB - Birkhauser Verlag N1 - "Purchased under NBHM grant for the year 2001-2002" ER -