Brualdi, Richard A., Herbert J., Ryser <br/><br/>
Combinational matrix theory 

 - Cambridge  CUP  1991 
 - x,368p, 22cm 
 - Encyclopaedia of mathematics and its application .
<br/><br/><label>ISBN: </label>0521322650 
<br/><br/><label>Dewey Class. No.: </label>512.9434,  / D, bru