Erickson, Martin J. <br/><br/>
Introduction to combinatorics 

 - 23 
 - John Wiley & Sons, New Jersy  2013 
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 - Wiley series in discrete mathematics and optimization .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>R  511.6  ERI-I2