Green, J . W <br/><br/>
Aspects of the calculus of variations 
J.W Green 
 - California  Cambridge University Press London  1939. 
 - 96 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>515.64  / GRE