TY  - BOOK
AU  - Lubotzky, Alexander
TI  - Discrete groups, expanding graphs and invariant measures
T2  - Ferran Sunyer i Balaguer award winning monograph
U1  - 511.5 
PY  - 1994///
CY  - Basel
PB  - Birkhauser
N1  - "Appendix by Jonathan D. Rogawski"
ER  -