Phillips, H. B.  1881- <br/><br/>
Differential equations / 
by H.B. Phillips. 
 - 3rd ed. 
 - New York :  John Wiley & Sons,  1956 
 - vii, 149 p. :  ill. ;  25 cm. 
<br/><br/> Includes Index 
<br/><br/>Use copy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>515.35  / PHD 1956