Hochstadt Harry <br/><br/>
Differential equation: A modern approach 

 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24539 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B33, K4-;1