Phillips, H. B. <br/><br/>
Differential equations, 
H.B. Phillips ... 
 - 3rd ed. 
 - New York,  London,  J. Wiley & sons, inc.;  Chapman & Hall, limited,  1934. 
 - vi, 125 p. 
<br/><br/><label>LCCN: </label>34011401  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations.
<br/><br/><label>LC Class. No.: </label>QA372  / .P45 1934