Lu, Y-C <br/><br/>
Singularity theory & an introduction to catastrophe theory 
Y-C. Lu 
 - New York  Springer  1976 
 - xii  199 
 - Universitext .
<br/><br/><label>ISBN: </label>354090221x 
<br/><br/><label>Dewey Class. No.: </label>6.07+7.02+8.06  / Lu