Silverman, Joseph H. <br/><br/>
A Friendly Introduction to Number Theory 4th ed 

 - 4ed 
 - Noida  Pearson  2023 
 - 409p.  22cms*20cms 
<br/><br/><label>ISBN: </label>9789353433079 
<br/><br/><label>Dewey Class. No.: </label>512.7/SIL/FRI