Zill, Dennis G. <br/><br/>
A First Course in Differential Equations with Applications 

 - 4th 
 - Boston:  CENGAGE LEARNING,  1989. 
 - xii,540p. 
<br/><br/><label>ISBN: </label>0-534-91568-X 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humanities & Natural Science
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.35 ZIL