Hagin, Frank G. <br/><br/>
A first course in differential equations / 
Frank G. Hagin. 
 - Engelwood Cliffs :  Prentice-Hall,  1975. 
 - ix, 342 p. : 
<br/><br/><label>ISBN: </label>0133183947 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.---
<br/><br/><label>Dewey Class. No.: </label>515.35  / Fi