Ayres Frank <br/><br/>
Schaum's outline of theory and problems of differential equations. 
Ayres Frank 
 - New York     McGraw-Hill        1952 
 - 296p  cm. 
 - Schaum's outline series. .
<br/><br/><label>Standard No.: </label>75345 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B33, J2