Zill, Dennis G. <br/><br/>
A first course in differential equations 
/  by Dennis G. Zill  
 - 5th ed. 
 - Boston  PWS-Kent Publi.  1941 
 - 1993 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>534931545 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35  / ZIL