G.H.Hardy,  1992, <br/><br/>
Acourse of pure mathematics 
by Hardy, G.H. 
 - 10th ed. 
 - [s.l:  Universal Book Stall,  1992. 
 - 509P.:  22cm. 
<br/><br/><label>ISBN: </label>81-85274-80-0 
<br/><br/><label>Subjects--Personal Names: </label><br/>PURE MATHEMATICS.
<br/><br/><label>Dewey Class. No.: </label>511  / HAR