Morse, Marston <br/><br/>
Variational analysis: Critical extremals and sturmian extensions 

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 - New York  Wiley Eastern  1973 
 - xi, 260 p.   
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<br/><br/><label>Subjects--Index Terms: </label>variational analysis  Statistical data handling  Statistics  Census  Probabilities  Mathematical sciences  Mathematics  Number theory  Set theory  Group theory 
<br/><br/><label>Dewey Class. No.: </label>519.3