Krelle, W. Gabisch, G. <br/><br/>
Lecture notes in economics and mathematical systems  Operations research,computer science,social science 

 - New York  Springer-Verlag  1972 
 - 126p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Operations research
<br/><br/><label>Dewey Class. No.: </label>519.7  / L39