O'Regan, Donal <br/><br/>
Topological degree theory and applications / 
Donal O'Regan, Yeol Je Cho, Yu-Qing Chen 
 - Boca Raton, FL :  Chapman & Hall/CRC,  2006 
 - 221 p. ;  25 cm. 
 - Series in mathematical analysis and applications ;  v. 10 .
<br/><br/>Includes bibliographical references (p. 195-215) and index 
<br/><br/><label>ISBN: </label>158488648X 9781584886488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topological degree<br/>Differentiable functions