Yuan, George Xian-Zhi. <br/><br/>
KKM theory and applications in nonlinear analysis / 
George Xian-Zhi Yuan. 
 - New York:  Marcel Dekker;  1999. 
 - xii, 621p. 
<br/><br/><label>Subjects--Index Terms: </label>Algebraic topology. Homology theory. K K theory. 
<br/><br/><label>Universal Decimal Class. No.: </label>515.14  / YUA