Sakai, S <br/><br/>
Operator algebras in dynamical systems  theory of unbounded derivations in C*- algebras 
S. Sakai 
 - Cambridge  Cambridge University Press  1991 
 - xi  219  219 
 - Encyclopedia of mathematics & its applications 41 .
<br/><br/><label>ISBN: </label>9780521400961 
<br/><br/><label>Dewey Class. No.: </label>5.05  / 12.01 SAKA