TY  - DATA
AU  - Holger Kammeyer
TI  - Introduction to ℓ²-invariants
SN  - 9783030282974
PY  - 2019///
PB  - Springer International Publishing
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-030-28297-4
ER  -