Ayres, Frank <br/><br/>
Thoery and problems of differential equations in si metric units / 
Frank, Ayres. 
 - New Delhi :  McGraw Hill Company,  1981. 
 - 295 p. : 
<br/><br/>
<br/><br/><label>ISBN: </label>0070990069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>515.3  / AYR