Ding Tongren <br/><br/>
Approaches to the Qualitative Theory of Ordinary Differential Equations: Dynamical Systems and Nonlinear Oscillations 

 -  World Scientific  WSPC  2007 
<br/><br/><label>ISBN: </label>9789812779816 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics