Ayres, Frank Jr. <br/><br/>
Schaum's outline theory and problems of differential equations in SI metric units / 
by Frank Ayres, Jr. 
 - New York :  McGraw-Hill International Book Company,  1972. 
 - 395p.  :  illus. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>07-084396-1 
<br/><br/><label>LC Class. No.: </label>QA 371  / A97 1972