An invitation to C*-algebras/ 
Arveson,William 
 - 1st ed. 
 - New York:  Springer,  1976. 
 - 106 p. 
<br/><br/><label>ISBN: </label>9780387901763 
<br/><br/><label>Dewey Class. No.: </label>512.55  / ARV/I