Oxford Conference of the Institute of Mathematics and its Applications held in April,1970 <br/><br/>
Large sparse sets of linear equations - Proceedings   
by J.K.Reid 
 - London  Academic Press  1971 
 - x, 283p. 
<br/><br/><label>ISBN: </label>0125861508 
<br/><br/><label>LCCN: </label>72-141736 
<br/><br/><label>Dewey Class. No.: </label>515.35  / N71