Johnson, E. L. <br/><br/>
Integer programming:  facets, subadditivity, and duality for group and semi-group problems/ 
Ellis L. Johnson. 
 - Philadelphia:  SIAM,  1980. 
 - 68 p. 
 - CBMS-NSF Regional conference series in applied mathematics .
 - CBMS-NSF Regional conference series in applied mathematics;  32. .
<br/><br/> Lecture notes presented at the Regional Research Conference on Integer Programming, State University of New York at Buffalo, June 5-9, 1978. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780898711622 
<br/><br/><label>LCCN: </label>79093152 //r904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integer programming.<br/>Group theory.<br/>Semigroups;
<br/><br/><label>Dewey Class. No.: </label>519.7/7