Perko, L <br/><br/>
Differential Equations and Dynamical Systems  [Book]. 

 - 3rd 
 - Delhi  Springer  2006 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8181281837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations and Dynamical Systems