Balakrishnan, V K. <br/><br/>
Theory and Problems of Combinatorics /   Textual Documents 
NULL. 
 - New Delhi :   Tata McGraw Hill Publishing Company Limited ,   1995. 
 - 878 ;   24*18. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Combinatorics 
<br/><br/><label>Dewey Class. No.: </label>511.6  / BAL