Zill, Dennis G. <br/><br/>
A first course in differential equations with applications / 
Dennis G. Zill 
 - 3rd ed. 
 - Boston :  Prindle,Weber & Schmidt,  1986 
 - 520 (42) p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0871509288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations