Sattinger, D. H <br/><br/>
Group theoretic methods in bifurcatio theory 
D. H. Sattinger 
 - New York  Springer-Verlag  1979 
 - 240 p  24 cm 
 - Lecture notes in mathematics  762  CO75-8434 .
<br/><br/> Contine bibliografie 
<br/><br/><label>ISBN: </label>0387097155