Forster, A.R. <br/><br/>
Calculus of variations 

 - Calculta  At The Lury Press  1927 
 - xxii,656p.  25.5cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Calculus-Variations
<br/><br/><label>Dewey Class. No.: </label>517.4  / F68C