Moiseiwitsch B L <br/><br/>
Variational principles 

 - London  Interscience Publishers         1966 
<br/><br/> DSK Collection 
<br/><br/><label>Standard No.: </label>103601 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B7:3, K6