Paterson, A.L.T. <br/><br/>
Groupoids, inverse semigroups and their operator algebras 

 - Boston  Birkauser  1999 
 - xvi,274p.  22cm. HB. 
 - Progress in mathematics .
<br/><br/><label>ISBN: </label>0817640517 
<br/><br/><label>Dewey Class. No.: </label>512.2  / PAT