Derrick, William R. <br/><br/>
Elementary differential equations /  [textbook] 
by William R. Derrick and Stanley I. Grossman 
 - Fourth edition / 
 - Massachusetts :  Addison-Wiley,  1997. 
 - xvii, 404 pages :  illustrations ;  26 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0673985547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>LC Class. No.: </label>QA372  / DER