Chow, Shui-Nee <br/><br/>
Normal forms and bifurcation of planar vector fields 
Shui-Nee Chow, Chengzhi Li, Duo Wang 
 - Cambridge  Cambridge University Press  1994 
 - viii, 472 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 452-467) and index 
<br/><br/><label>ISBN: </label>9780521372268 
<br/><br/><label>ISSN: </label>93026510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bifurcation theory<br/>Normal forms (Mathematics)<br/>Vector fields
<br/><br/><label>Dewey Class. No.: </label>515.35 CHO