Klein, Erwin and Thompson, Anthony C. <br/><br/>
Theory of correspondences including applications to mathematical economics  / 

 - New York:  John Wiley,  1984 
 - xi, 256p. Index, Bibl. 
 - Canadian Mathematical Society series of monographs and advanced texts .
<br/><br/> "A wiley interscience publication". 
<br/><br/><label>Dewey Class. No.: </label>514  / K64.TC