Morse, Marston <br/><br/>
Critical point theory in global analysis and differential topology  ; an introduction / 

 - New York:  Academic Press,  1969 
 - xii, 389p. Index. Bibl. 
 - Pure and Applied Mathematics, v.33 .
<br/><br/><label>Dewey Class. No.: </label>516  / M886.CP