TY  - JOUR
AU  - Higson, Nigel
AU  - Kasparov, Gennadi
TI  - Operator 𝐾-theory for groups which act properly and isometrically on Hilbert space
JO  - Electronic research announcements of the American Mathematical Society
PY  - 1997
SP  - 131
EP  - 142
VL  - 03
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-97-00038-3/
DO  - 10.1090/S1079-6762-97-00038-3
ID  - ERAAMS_1997_03_a21
ER  -