Prasolov, V.V <br/><br/>
Elements of combinatorial and differential topology  
/by V.V Prasolov 
 - USA:  American Mathematical Society,  2006. 
 - 331p. 
<br/><br/><label>ISBN: </label>0-8218-3809-1 
<br/><br/><label>Dewey Class. No.: </label>514.22  / PRA/E