Basic real analysis 
Knapp, Anthony W. 
 - Boston :  Birkhäuser,  2005 
 - xxi, 653 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>9780817632502 (acid-free paper) | 0817632506 (acid-free paper) | 0817644415 (e-book)