Operator theory and arithmetic in H [infinity] 
Bercovici, Hari, 
 - Providence, R.I. :  American Mathematical Society,  1988 
 - xii, 275 p. ;  26 cm. 
 - Mathematical surveys and monographs,  no. 26 .
<br/><br/> On t.p. [infinity]" appears as the infinity symbol. | Includes index." 
<br/><br/><label>ISBN: </label>0821815288 (alk. paper)