Zill, Dennis G.,  1940- <br/><br/>
A first course in differential equations with applications  / 
Dennis G. Zill 
 - 3rd ed. 
 - Boston, Mass. :  Prindle,  1986 
 - xiii, 520 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0871509288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations