Walter . Wallis <br/><br/>
Introduction to combinatorics 

 - 2nd 
 - Boca Raton   CRC Press          2017 
 - xix,423p.  cm. 
<br/><br/><label>ISBN: </label> INR 2995.00 
<br/><br/><label>Standard No.: </label>137636 
<br/><br/><label>Source: </label> 053, 07/03/2018, Excel Book International  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>I I C
<br/><br/><label>Dewey Class. No.: </label>B217, Q7