Zill, Dennis G. <br/><br/>
A first course in differential equations with applications / 
Dennis G. Zill 
 - 2nd ed. 
 - Boston  :  Prindle, Weber & Schmidt,  1982 
 - ix, 528 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0871503190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations