Birkhoff,G <br/><br/>
Ordinary Differential Equations  [Book]. 

 - 4th 
 -  Wiley 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9812530029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ordinary Differential Equations