Davies, T. V. and James, E. M. <br/><br/>
Nonlinear differential equations   

 - Massachusetts  Addison-Wesley  1966 
 - ix, 274p. 
 - Addison-Wesley series in Mathematics .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.35  / D257.ND