Golubitsky, Martin. <br/><br/>
Singularities and groups in bifurcation theory / 
by Martin Golubitsky, David G.Schaeffer. 
 - New York, N.Y. :  Springer-Verlag,  1984. 
 - xvii, 463 p. : ill. 
<br/><br/><label>ISBN: </label>0387909990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Bifurcation theory.<br/>Singularities (Mathematics).