Lanczos Cornelius    <br/><br/>
Variational principles of mechanics   
by Cornelius Lanczos 
 - 4th.ed   
 - Toronto  University of Toronto Press  1970 
 - xxix,418p.ill.;22cm 
 - Mathematical expositions -- 4   .
<br/><br/> Include refrence and subject index 
<br/><br/><label>ISBN: </label>9780486650678   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics, Analytic<br/>Variational principles
<br/><br/><label>Dewey Class. No.: </label>531  / COR/V