Gelfand, I M <br/><br/>
Calculus of variations 
I M Gelfand and S V Fomin 
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 - Prentice-Hall Inc., Englewood Cliffs, New Jersey  1963 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus of variation-- Analysis-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.64  GEL-C