Lanczos, Cornelius  <br/><br/>
Variational principles of mechanics 

 - 2nd 
 - toronato  University of Toronato          1962 
 - xxv, 367 p.  Includes bibliographical reference and index 
<br/><br/><label>Source: </label> Reference  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics, Analytic<br/>Variational principles<br/>Mathematics