Lanczos, Cornelius. <br/><br/>
The Variational principles of mechanics / 
Cornelius Lanczos. 
 - Toronto :  University of TorontoPress,  1957. 
 - xxv,307p 
<br/><br/><label>Standard No.: </label>3854  [old SOUL v1.0 record id] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Analysis<br/>Calculas
<br/><br/><label>Dewey Class. No.: </label>AKB 515  / L 22 v