Hilton, Peter John. <br/><br/>
Partial derivatives / 
by P. J. Hilton. 
 - London :  Routledge & Kegan Paul,  1960. 
 - viii, 54 p. : 
<br/><br/><label>ISBN: </label>0710043473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations, Partial.
<br/><br/><label>Dewey Class. No.: </label>515.353  / Pa