POOLE E G C <br/><br/>
Introduction to the theory of Linear differential equations. 

 - New York  Dover Publications          1960 
 - viii,199p.  cm. 
<br/><br/> Bibliography: P 200 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B33, K0/SC