Hurewicz Witold <br/><br/>
Lectures On Ordinary Differential Wquations 
/ by Witold Hurewicz 
 - New York  Dover Publications Inc  1990 
 - 122p. 
<br/><br/><label>ISBN: </label>0486664201 
<br/><br/><label>Dewey Class. No.: </label>515.35  / HUR/L