Fox, Charles,  1897- <br/><br/>
An introduction to the calculus of variations / 
by Charles Fox 
 - London :  The University Press,  1950 
 - viii, 271 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> pnd 1.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variations