Borwein, Jonathan and Borwein, Peter B. <br/><br/>
Pi and the AGM  a study in analytic number theory and computational complexity 

 - New York  John Wiley  1987 
 - xv, 414p. Index. 
<br/><br/> A Wiley-Interscience publication   
<br/><br/><label>ISBN: </label>0471831387 
<br/><br/><label>Dewey Class. No.: </label>512.7  / B739.PA