Lanczos, Cornelius <br/><br/>
The Variational Principles of Mechanics 

 -  Walter de Gruyter  Walter de Gruyter  15/12/1949 
<br/><br/><label>ISBN: </label>9781487583057 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics