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

 - New York  Academic Press  1969 
 - xii, 389 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology
<br/><br/><label>Dewey Class. No.: </label>514  / MOR