Krishnamurthy, V <br/><br/>
Combinatorics: theory and applications 

 - 1st 
 - New Delhi  Affiliated East West Press  1993 
 - xxxvi,483p p. 
<br/><br/><label>ISBN: </label>81-85336-02-4 
<br/><br/><label>Subjects--Index Terms: </label>Combinatorial analysis