TY  - BOOK
AU  - Engel Klaus-Jochen
AU  -  Nagel Rainer
TI  - Short course on operator semigroups
T2  - Universitext
U1  - B27, P6 
PY  - 2006///
CY  - New York  
PB  -  Springer      
KW  - Group Theory
ER  -