Guckenheimer, J., et al <br/><br/>
Dynamical systems  CIME lectures, bressanone, italy, june 1978 
J. Guckenheimer, et al 
 - Boston  Birkhauser Verlag  1980 
 - x  290 
 - Progress in mathematics 8 .
<br/><br/><label>ISBN: </label>3764330244 
<br/><br/><label>Dewey Class. No.: </label>003  / GUC