Godsil, C. D. <br/><br/>
Algebraic combinatorics  / 

 - New York:  Chapman & Hall/CRC Press,  1993 
 - xv, 362p. Index, Appendix 
 - Chapman & Hall Mathematics series .
<br/><br/><label>ISBN: </label>0412041316 
<br/><br/><label>Dewey Class. No.: </label>511.6  / G589.AC